diff --git a/packages/backend-core/src/errors/errors.ts b/packages/backend-core/src/errors/errors.ts
index 0a632d7551..4e1f1abbb5 100644
--- a/packages/backend-core/src/errors/errors.ts
+++ b/packages/backend-core/src/errors/errors.ts
@@ -102,6 +102,6 @@ export class InvalidAPIKeyError extends BudibaseError {
 
 export class EmailUnavailableError extends Error {
   constructor(email: string) {
-    super(`Email already taken: '${email}'`)
+    super(`Email already in use: '${email}'`)
   }
 }
diff --git a/packages/worker/src/api/routes/global/tests/users.spec.ts b/packages/worker/src/api/routes/global/tests/users.spec.ts
index 0311669355..52d77cbae6 100644
--- a/packages/worker/src/api/routes/global/tests/users.spec.ts
+++ b/packages/worker/src/api/routes/global/tests/users.spec.ts
@@ -225,7 +225,9 @@ describe("/api/global/users", () => {
 
       const response = await config.api.users.saveUser(user, 400)
 
-      expect(response.body.message).toBe(`Email already taken: '${user.email}'`)
+      expect(response.body.message).toBe(
+        `Email already in use: '${user.email}'`
+      )
       expect(events.user.created).toBeCalledTimes(0)
     })
 
@@ -238,7 +240,7 @@ describe("/api/global/users", () => {
         const response = await config.api.users.saveUser(user, 400)
 
         expect(response.body.message).toBe(
-          `Email already taken: '${user.email}'`
+          `Email already in use: '${user.email}'`
         )
         expect(events.user.created).toBeCalledTimes(0)
       })
@@ -251,7 +253,9 @@ describe("/api/global/users", () => {
 
       const response = await config.api.users.saveUser(user, 400)
 
-      expect(response.body.message).toBe(`Email already taken: '${user.email}'`)
+      expect(response.body.message).toBe(
+        `Email already in use: '${user.email}'`
+      )
       expect(events.user.created).toBeCalledTimes(0)
     })