diff --git a/frontend/src/main.js b/frontend/src/main.js
index dea19c3fe..bd57c6e57 100755
--- a/frontend/src/main.js
+++ b/frontend/src/main.js
@@ -14,7 +14,7 @@ Vue.use(DashboardPlugin)
 Vue.config.productionTip = false
 
 router.beforeEach((to, from, next) => {
-  if (to.meta.requiresAuth && !store.state.session_id) {
+  if (to.meta.requiresAuth && !store.state.sessionId) {
     next({ path: '/login' })
   } else {
     next()
diff --git a/frontend/src/store/store.js b/frontend/src/store/store.js
index 070074bfd..aed286bc6 100644
--- a/frontend/src/store/store.js
+++ b/frontend/src/store/store.js
@@ -17,7 +17,7 @@ export const mutations = {
 
 export const actions = {
   login: ({ dispatch, commit }, data) => {
-    commit('sessionId', data.session_id)
+    commit('sessionId', data.sessionId)
     commit('email', data.email)
   },
   logout: ({ commit, state }) => {
diff --git a/frontend/src/store/store.test.js b/frontend/src/store/store.test.js
index ba629d548..655cca7a0 100644
--- a/frontend/src/store/store.test.js
+++ b/frontend/src/store/store.test.js
@@ -36,17 +36,17 @@ describe('Vuex store', () => {
       const state = {}
 
       it('calls two commits', () => {
-        login({ commit, state }, { session_id: 1234, email: 'someone@there.is' })
+        login({ commit, state }, { sessionId: 1234, email: 'someone@there.is' })
         expect(commit).toHaveBeenCalledTimes(2)
       })
 
       it('commits sessionId', () => {
-        login({ commit, state }, { session_id: 1234, email: 'someone@there.is' })
+        login({ commit, state }, { sessionId: 1234, email: 'someone@there.is' })
         expect(commit).toHaveBeenNthCalledWith(1, 'sessionId', 1234)
       })
 
       it('commits email', () => {
-        login({ commit, state }, { session_id: 1234, email: 'someone@there.is' })
+        login({ commit, state }, { sessionId: 1234, email: 'someone@there.is' })
         expect(commit).toHaveBeenNthCalledWith(2, 'email', 'someone@there.is')
       })
     })
diff --git a/frontend/src/views/Layout/DashboardLayout_gdd.vue b/frontend/src/views/Layout/DashboardLayout_gdd.vue
index 613b4bd08..291c8762b 100755
--- a/frontend/src/views/Layout/DashboardLayout_gdd.vue
+++ b/frontend/src/views/Layout/DashboardLayout_gdd.vue
@@ -93,13 +93,13 @@ export default {
       }
     },
     async logout() {
-      await loginAPI.logout(this.$store.state.session_id)
+      await loginAPI.logout(this.$store.state.sessionId)
       // do we have to check success?
       this.$store.dispatch('logout')
       this.$router.push('/login')
     },
     async updateTransactions() {
-      const result = await communityAPI.transactions(this.$store.state.session_id)
+      const result = await communityAPI.transactions(this.$store.state.sessionId)
       if (result.success) {
         this.GdtBalance = Number(result.result.data.gdtSum)
         this.transactions = result.result.data.transactions
diff --git a/frontend/src/views/Pages/AccountOverview/GddSend.vue b/frontend/src/views/Pages/AccountOverview/GddSend.vue
index b54340de5..b7d805988 100644
--- a/frontend/src/views/Pages/AccountOverview/GddSend.vue
+++ b/frontend/src/views/Pages/AccountOverview/GddSend.vue
@@ -252,7 +252,7 @@ export default {
     },
     async sendTransaction() {
       const result = await communityAPI.send(
-        this.$store.state.session_id,
+        this.$store.state.sessionId,
         this.ajaxCreateData.email,
         this.ajaxCreateData.amount,
         this.ajaxCreateData.memo,
diff --git a/frontend/src/views/Pages/Login.vue b/frontend/src/views/Pages/Login.vue
index ae0bdeaf5..b05bf2fbc 100755
--- a/frontend/src/views/Pages/Login.vue
+++ b/frontend/src/views/Pages/Login.vue
@@ -118,7 +118,7 @@ export default {
       const result = await loginAPI.login(this.model.email, this.model.password)
       if (result.success) {
         this.$store.dispatch('login', {
-          session_id: result.result.data.session_id,
+          sessionId: result.result.data.session_id,
           email: this.model.email,
         })
         this.$router.push('/overview')
diff --git a/frontend/src/views/Pages/Register.vue b/frontend/src/views/Pages/Register.vue
index 75bf46bd3..42761ec99 100755
--- a/frontend/src/views/Pages/Register.vue
+++ b/frontend/src/views/Pages/Register.vue
@@ -191,7 +191,7 @@ export default {
       )
       if (result.success) {
         this.$store.dispatch('login', {
-          session_id: result.result.data.session_id,
+          sessionId: result.result.data.session_id,
           email: this.model.email,
         })
         this.model.email = ''
diff --git a/frontend/src/views/Pages/ResetPassword.vue b/frontend/src/views/Pages/ResetPassword.vue
index 243a8519a..b6f819b43 100644
--- a/frontend/src/views/Pages/ResetPassword.vue
+++ b/frontend/src/views/Pages/ResetPassword.vue
@@ -104,7 +104,7 @@ export default {
       passwordVisible: false,
       submitted: false,
       authenticated: false,
-      session_id: null,
+      sessionId: null,
       email: null,
     }
   },
@@ -113,7 +113,7 @@ export default {
       this.passwordVisible = !this.passwordVisible
     },
     async onSubmit() {
-      const result = await loginAPI.changePassword(this.session_id, this.email, this.password)
+      const result = await loginAPI.changePassword(this.sessionId, this.email, this.password)
       if (result.success) {
         this.password = ''
         this.$router.push('/thx')
@@ -126,7 +126,7 @@ export default {
       const result = await loginAPI.loginViaEmailVerificationCode(optin)
       if (result.success) {
         this.authenticated = true
-        this.session_id = result.result.data.session_id
+        this.sessionId = result.result.data.session_id
         this.email = result.result.data.user.email
       } else {
         alert(result.result.message)