diff --git a/webapp/components/Registration/RegistrationSlideInvite.vue b/webapp/components/Registration/RegistrationSlideInvite.vue
index 4571510c5..5a3aee777 100644
--- a/webapp/components/Registration/RegistrationSlideInvite.vue
+++ b/webapp/components/Registration/RegistrationSlideInvite.vue
@@ -114,13 +114,20 @@ export default {
             },
           })
 
-          if (
-            this.sliderData.sliders[this.sliderIndex].data.response &&
-            this.sliderData.sliders[this.sliderIndex].data.response.isValidInviteCode
-          ) {
-            this.$toast.success(
-              this.$t('components.registration.invite-code.form.success', { inviteCode }),
-            )
+          if (this.sliderData.sliders[this.sliderIndex].data.response) {
+            if (this.sliderData.sliders[this.sliderIndex].data.response.isValidInviteCode) {
+              this.$toast.success(
+                this.$t('components.registration.invite-code.form.validations.success', {
+                  inviteCode,
+                }),
+              )
+            } else {
+              this.$toast.error(
+                this.$t('components.registration.invite-code.form.validations.error', {
+                  inviteCode,
+                }),
+              )
+            }
           }
         } catch (err) {
           this.sliderData.setSliderValuesCallback(false, {
diff --git a/webapp/components/Registration/RegistrationSlideNonce.vue b/webapp/components/Registration/RegistrationSlideNonce.vue
index f04552a25..40ccd10ad 100644
--- a/webapp/components/Registration/RegistrationSlideNonce.vue
+++ b/webapp/components/Registration/RegistrationSlideNonce.vue
@@ -123,13 +123,22 @@ export default {
             sliderData: { request: { variables }, response: response.data },
           })
 
-          if (
-            this.sliderData.sliders[this.sliderIndex].data.response &&
-            this.sliderData.sliders[this.sliderIndex].data.response.VerifyNonce
-          ) {
-            this.$toast.success(
-              this.$t('components.registration.email-nonce.form.success', { email, nonce }),
-            )
+          if (this.sliderData.sliders[this.sliderIndex].data.response) {
+            if (this.sliderData.sliders[this.sliderIndex].data.response.VerifyNonce) {
+              this.$toast.success(
+                this.$t('components.registration.email-nonce.form.validations.success', {
+                  email,
+                  nonce,
+                }),
+              )
+            } else {
+              this.$toast.error(
+                this.$t('components.registration.email-nonce.form.validations.error', {
+                  email,
+                  nonce,
+                }),
+              )
+            }
           }
         } catch (err) {
           this.sliderData.setSliderValuesCallback(false, {
diff --git a/webapp/locales/de.json b/webapp/locales/de.json
index d14b5e7e9..a81764e82 100644
--- a/webapp/locales/de.json
+++ b/webapp/locales/de.json
@@ -168,9 +168,10 @@
           "description": "Öffne Dein E-Mail Postfach und gib den Code ein, den wir geschickt haben.",
           "next": "Weiter",
           "nonce": "E-Mail-Code: 32143",
-          "success": "Gültiger Bestätigungs-Code <b>{nonce}</b> für E-Mail <b>{email}</b>!",
           "validations": {
-            "length": "muss genau 5 Buchstaben lang sein"
+            "error": "Ungültiger Bestätigungs-Code <b>{nonce}</b> für E-Mail <b>{email}</b>!",
+            "length": "muss genau 5 Buchstaben lang sein",
+            "success": "Gültiger Bestätigungs-Code <b>{nonce}</b> für E-Mail <b>{email}</b>!"
           }
         },
         "title": "E-Mail Bestätigung"
@@ -181,9 +182,10 @@
           "description": "Gib den Einladungs-Code ein, den du bekommen hast.",
           "invite-code": "Einladungs-Code: ACJERB",
           "next": "Weiter",
-          "success": "Gültiger Einladungs-Code <b>{inviteCode}</b>!",
           "validations": {
-            "length": "muss genau 6 Buchstaben lang sein"
+            "error": "Ungültiger Einladungs-Code <b>{inviteCode}</b>!",
+            "length": "muss genau 6 Buchstaben lang sein",
+            "success": "Gültiger Einladungs-Code <b>{inviteCode}</b>!"
           }
         }
       },
diff --git a/webapp/locales/en.json b/webapp/locales/en.json
index e037af414..df34e60c3 100644
--- a/webapp/locales/en.json
+++ b/webapp/locales/en.json
@@ -168,9 +168,10 @@
           "description": "Open your inbox and enter the code that we've sent to you.",
           "next": "Continue",
           "nonce": "E-mail code: 32143",
-          "success": "Valid verification code <b>{nonce}</b> for e-mail <b>{email}</b>!",
           "validations": {
-            "length": "must be 5 characters long"
+            "error": "Invalid verification code <b>{nonce}</b> for e-mail <b>{email}</b>!",
+            "length": "must be 5 characters long",
+            "success": "Valid verification code <b>{nonce}</b> for e-mail <b>{email}</b>!"
           }
         },
         "title": "E-Mail Confirmation"
@@ -181,9 +182,10 @@
           "description": "Enter the invitation code you received.",
           "invite-code": "Invite code: ACJERB",
           "next": "Continue",
-          "success": "Valid invite code <b>{inviteCode}</b>!",
           "validations": {
-            "length": "must be 6 characters long"
+            "error": "Invalid invite code <b>{inviteCode}</b>!",
+            "length": "must be 6 characters long",
+            "success": "Valid invite code <b>{inviteCode}</b>!"
           }
         }
       },