diff --git a/admin/src/components/EditCreationFormular.vue b/admin/src/components/EditCreationFormular.vue
index 0e887ad3d..084e44b87 100644
--- a/admin/src/components/EditCreationFormular.vue
+++ b/admin/src/components/EditCreationFormular.vue
@@ -12,6 +12,7 @@
             value-field="item"
             text-field="name"
             name="month-selection"
+            :disabled="true"
           ></b-form-radio-group>
         </b-row>
         <div class="m-4">
diff --git a/frontend/src/components/Contributions/ContributionForm.spec.js b/frontend/src/components/Contributions/ContributionForm.spec.js
index cf47577a3..8f35948f9 100644
--- a/frontend/src/components/Contributions/ContributionForm.spec.js
+++ b/frontend/src/components/Contributions/ContributionForm.spec.js
@@ -329,7 +329,8 @@ describe('ContributionForm', () => {
 
         describe('invalid form data', () => {
           beforeEach(async () => {
-            await wrapper.findComponent({ name: 'BFormDatepicker' }).vm.$emit('input', now)
+            // skip this precondition as long as the datepicker is disabled in the component
+            // await wrapper.findComponent({ name: 'BFormDatepicker' }).vm.$emit('input', now)
             await wrapper.find('#contribution-amount').find('input').setValue('200')
           })
 
diff --git a/frontend/src/components/Contributions/ContributionForm.vue b/frontend/src/components/Contributions/ContributionForm.vue
index 47f2be4c4..efe80f494 100644
--- a/frontend/src/components/Contributions/ContributionForm.vue
+++ b/frontend/src/components/Contributions/ContributionForm.vue
@@ -25,6 +25,7 @@
         reset-value=""
         :label-no-date-selected="$t('contribution.noDateSelected')"
         required
+        :disabled="this.form.id !== null"
       >
         <template #nav-prev-year><span></span></template>
         <template #nav-next-year><span></span></template>