diff --git a/src/constants/messages.ts b/src/constants/messages.ts
index e586794b..273dee87 100644
--- a/src/constants/messages.ts
+++ b/src/constants/messages.ts
@@ -28,6 +28,7 @@ export const FAILURE_MESSAGES = {
   ORPHAN_SESSION: 'ORPHAN_SESSION',
   DATABASE_ERROR: 'DATABASE_ERROR',
   UNEXPECTED_ERROR: 'UNEXPECTED_ERROR',
+  EMAIL_ALREADY_TAKEN: 'EMAIL_ALREADY_TAKEN',
 
   FILE_IS_NOT_IMAGE: 'FILE_IS_NOT_IMAGE',
 
diff --git a/src/langs/en/messages.json b/src/langs/en/messages.json
index f4c00114..15432497 100644
--- a/src/langs/en/messages.json
+++ b/src/langs/en/messages.json
@@ -27,6 +27,7 @@
   "ORPHAN_SESSION": "Your session has expired",
   "DATABASE_ERROR": "An unexpected error occurred at the database level",
   "UNEXPECTED_ERROR": "An unexpected error occurred",
+  "EMAIL_ALREADY_TAKEN": "This email is already taken",
 
   "STORAGE_EXCEEDED": "You exceeded your allowed file storage",
   "FILE_SIZE_NOT_FOUND": "The file size could not be calculated",