diff --git a/admin/src/components/EditCreationFormular.spec.js b/admin/src/components/EditCreationFormular.spec.js
index f39edad52..2ed3baa3b 100644
--- a/admin/src/components/EditCreationFormular.spec.js
+++ b/admin/src/components/EditCreationFormular.spec.js
@@ -6,7 +6,7 @@ const localVue = global.localVue
 
 const apolloMutateMock = jest.fn().mockResolvedValue({
   data: {
-    updatePendingCreation: {
+    adminUpdateContribution: {
       creation: [0, 0, 0],
       amount: 500,
       date: new Date(),
diff --git a/admin/src/components/EditCreationFormular.vue b/admin/src/components/EditCreationFormular.vue
index fb30f2b77..0c5bb5a6a 100644
--- a/admin/src/components/EditCreationFormular.vue
+++ b/admin/src/components/EditCreationFormular.vue
@@ -73,7 +73,7 @@
   </div>
 </template>
 <script>
-import { updatePendingCreation } from '../graphql/updatePendingCreation'
+import { adminUpdateContribution } from '../graphql/adminUpdateContribution'
 import { creationMonths } from '../mixins/creationMonths'
 
 export default {
@@ -113,7 +113,7 @@ export default {
     submitCreation() {
       this.$apollo
         .mutate({
-          mutation: updatePendingCreation,
+          mutation: adminUpdateContribution,
           variables: {
             id: this.item.id,
             email: this.item.email,
@@ -123,11 +123,11 @@ export default {
           },
         })
         .then((result) => {
-          this.$emit('update-user-data', this.item, result.data.updatePendingCreation.creation)
+          this.$emit('update-user-data', this.item, result.data.adminUpdateContribution.creation)
           this.$emit('update-creation-data', {
-            amount: Number(result.data.updatePendingCreation.amount),
-            date: result.data.updatePendingCreation.date,
-            memo: result.data.updatePendingCreation.memo,
+            amount: Number(result.data.adminUpdateContribution.amount),
+            date: result.data.adminUpdateContribution.date,
+            memo: result.data.adminUpdateContribution.memo,
             row: this.row,
           })
           this.toastSuccess(
diff --git a/admin/src/graphql/updatePendingCreation.js b/admin/src/graphql/adminUpdateContribution.js
similarity index 80%
rename from admin/src/graphql/updatePendingCreation.js
rename to admin/src/graphql/adminUpdateContribution.js
index f0775e68b..b7c834109 100644
--- a/admin/src/graphql/updatePendingCreation.js
+++ b/admin/src/graphql/adminUpdateContribution.js
@@ -1,8 +1,8 @@
 import gql from 'graphql-tag'
 
-export const updatePendingCreation = gql`
+export const adminUpdateContribution = gql`
   mutation ($id: Int!, $email: String!, $amount: Decimal!, $memo: String!, $creationDate: String!) {
-    updatePendingCreation(
+    adminUpdateContribution(
       id: $id
       email: $email
       amount: $amount
diff --git a/backend/src/graphql/resolver/AdminResolver.test.ts b/backend/src/graphql/resolver/AdminResolver.test.ts
index 3d3cd38f2..2a973f1e8 100644
--- a/backend/src/graphql/resolver/AdminResolver.test.ts
+++ b/backend/src/graphql/resolver/AdminResolver.test.ts
@@ -17,7 +17,7 @@ import {
   unDeleteUser,
   adminCreateContribution,
   adminCreateContributions,
-  updatePendingCreation,
+  adminUpdateContribution,
   adminDeleteContribution,
   confirmContribution,
   createContributionLink,
@@ -527,11 +527,11 @@ describe('AdminResolver', () => {
         })
       })
 
-      describe('updatePendingCreation', () => {
+      describe('adminUpdateContribution', () => {
         it('returns an error', async () => {
           await expect(
             mutate({
-              mutation: updatePendingCreation,
+              mutation: adminUpdateContribution,
               variables: {
                 id: 1,
                 email: 'bibi@bloxberg.de',
@@ -637,11 +637,11 @@ describe('AdminResolver', () => {
           })
         })
 
-        describe('updatePendingCreation', () => {
+        describe('adminUpdateContribution', () => {
           it('returns an error', async () => {
             await expect(
               mutate({
-                mutation: updatePendingCreation,
+                mutation: adminUpdateContribution,
                 variables: {
                   id: 1,
                   email: 'bibi@bloxberg.de',
@@ -939,7 +939,7 @@ describe('AdminResolver', () => {
           })
         })
 
-        describe('updatePendingCreation', () => {
+        describe('adminUpdateContribution', () => {
           // at this I expect to have this data in DB:
           // bibi@bloxberg.de: [1000, 1000, 300]
           // peter@lustig.de: [1000, 600, 500]
@@ -950,7 +950,7 @@ describe('AdminResolver', () => {
             it('throws an error', async () => {
               await expect(
                 mutate({
-                  mutation: updatePendingCreation,
+                  mutation: adminUpdateContribution,
                   variables: {
                     id: 1,
                     email: 'bob@baumeister.de',
@@ -971,7 +971,7 @@ describe('AdminResolver', () => {
             it('throws an error', async () => {
               await expect(
                 mutate({
-                  mutation: updatePendingCreation,
+                  mutation: adminUpdateContribution,
                   variables: {
                     id: 1,
                     email: 'stephen@hawking.uk',
@@ -992,7 +992,7 @@ describe('AdminResolver', () => {
             it('throws an error', async () => {
               await expect(
                 mutate({
-                  mutation: updatePendingCreation,
+                  mutation: adminUpdateContribution,
                   variables: {
                     id: -1,
                     email: 'bibi@bloxberg.de',
@@ -1013,7 +1013,7 @@ describe('AdminResolver', () => {
             it('throws an error', async () => {
               await expect(
                 mutate({
-                  mutation: updatePendingCreation,
+                  mutation: adminUpdateContribution,
                   variables: {
                     id: creation ? creation.id : -1,
                     email: 'bibi@bloxberg.de',
@@ -1038,7 +1038,7 @@ describe('AdminResolver', () => {
             it('throws an error', async () => {
               await expect(
                 mutate({
-                  mutation: updatePendingCreation,
+                  mutation: adminUpdateContribution,
                   variables: {
                     id: creation ? creation.id : -1,
                     email: 'peter@lustig.de',
@@ -1063,7 +1063,7 @@ describe('AdminResolver', () => {
             it('returns update creation object', async () => {
               await expect(
                 mutate({
-                  mutation: updatePendingCreation,
+                  mutation: adminUpdateContribution,
                   variables: {
                     id: creation ? creation.id : -1,
                     email: 'peter@lustig.de',
@@ -1075,7 +1075,7 @@ describe('AdminResolver', () => {
               ).resolves.toEqual(
                 expect.objectContaining({
                   data: {
-                    updatePendingCreation: {
+                    adminUpdateContribution: {
                       date: expect.any(String),
                       memo: 'Danke Peter!',
                       amount: '300',
@@ -1091,7 +1091,7 @@ describe('AdminResolver', () => {
             it('returns update creation object', async () => {
               await expect(
                 mutate({
-                  mutation: updatePendingCreation,
+                  mutation: adminUpdateContribution,
                   variables: {
                     id: creation ? creation.id : -1,
                     email: 'peter@lustig.de',
@@ -1103,7 +1103,7 @@ describe('AdminResolver', () => {
               ).resolves.toEqual(
                 expect.objectContaining({
                   data: {
-                    updatePendingCreation: {
+                    adminUpdateContribution: {
                       date: expect.any(String),
                       memo: 'Das war leider zu Viel!',
                       amount: '200',
diff --git a/backend/src/graphql/resolver/AdminResolver.ts b/backend/src/graphql/resolver/AdminResolver.ts
index 1ca1cac36..39fbf861f 100644
--- a/backend/src/graphql/resolver/AdminResolver.ts
+++ b/backend/src/graphql/resolver/AdminResolver.ts
@@ -191,7 +191,7 @@ export class AdminResolver {
     const creations = await getUserCreation(user.id)
     logger.trace('creations', creations)
     const creationDateObj = new Date(creationDate)
-    if (isCreationValid(creations, amount, creationDateObj)) {
+    if (isContributionValid(creations, amount, creationDateObj)) {
       const contribution = Contribution.create()
       contribution.userId = user.id
       contribution.amount = amount
@@ -235,7 +235,7 @@ export class AdminResolver {
 
   @Authorized([RIGHTS.ADMIN_UPDATE_CONTRIBUTION])
   @Mutation(() => AdminUpdateContribution)
-  async updatePendingCreation(
+  async adminUpdateContribution(
     @Args() { id, email, amount, memo, creationDate }: AdminUpdateContributionArgs,
     @Ctx() context: Context,
   ): Promise<AdminUpdateContribution> {
@@ -249,7 +249,9 @@ export class AdminResolver {
 
     const moderator = getUser(context)
 
-    const contributionToUpdate = await Contribution.findOne({ id })
+    const contributionToUpdate = await Contribution.findOne({
+      where: { id, confirmedAt: IsNull() },
+    })
 
     if (!contributionToUpdate) {
       throw new Error('No contribution found to given id.')
@@ -266,7 +268,7 @@ export class AdminResolver {
     }
 
     // all possible cases not to be true are thrown in this function
-    isCreationValid(creations, amount, creationDateObj)
+    isContributionValid(creations, amount, creationDateObj)
     contributionToUpdate.amount = amount
     contributionToUpdate.memo = memo
     contributionToUpdate.contributionDate = new Date(creationDate)
@@ -343,7 +345,7 @@ export class AdminResolver {
     if (user.deletedAt) throw new Error('This user was deleted. Cannot confirm a contribution.')
 
     const creations = await getUserCreation(contribution.userId, false)
-    if (!isCreationValid(creations, contribution.amount, contribution.contributionDate)) {
+    if (!isContributionValid(creations, contribution.amount, contribution.contributionDate)) {
       throw new Error('Creation is not valid!!')
     }
 
@@ -661,8 +663,8 @@ function updateCreations(creations: Decimal[], contribution: Contribution): Deci
   return creations
 }
 
-function isCreationValid(creations: Decimal[], amount: Decimal, creationDate: Date) {
-  logger.trace('isCreationValid', creations, amount, creationDate)
+function isContributionValid(creations: Decimal[], amount: Decimal, creationDate: Date) {
+  logger.trace('isContributionValid', creations, amount, creationDate)
   const index = getCreationIndex(creationDate.getMonth())
 
   if (index < 0) {
diff --git a/backend/src/seeds/graphql/mutations.ts b/backend/src/seeds/graphql/mutations.ts
index 2a423d4d8..7becae274 100644
--- a/backend/src/seeds/graphql/mutations.ts
+++ b/backend/src/seeds/graphql/mutations.ts
@@ -120,9 +120,9 @@ export const adminCreateContributions = gql`
   }
 `
 
-export const updatePendingCreation = gql`
+export const adminUpdateContribution = gql`
   mutation ($id: Int!, $email: String!, $amount: Decimal!, $memo: String!, $creationDate: String!) {
-    updatePendingCreation(
+    adminUpdateContribution(
       id: $id
       email: $email
       amount: $amount