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 d1afa0191e..0311669355 100644
--- a/packages/worker/src/api/routes/global/tests/users.spec.ts
+++ b/packages/worker/src/api/routes/global/tests/users.spec.ts
@@ -48,7 +48,7 @@ describe("/api/global/users", () => {
         400
       )
 
-      expect(res.body.message).toBe("Unavailable")
+      expect(res.body.message).toBe(`Unavailable`)
       expect(sendMailMock).toHaveBeenCalledTimes(0)
       expect(code).toBeUndefined()
       expect(events.user.invited).toBeCalledTimes(0)
@@ -225,7 +225,7 @@ describe("/api/global/users", () => {
 
       const response = await config.api.users.saveUser(user, 400)
 
-      expect(response.body.message).toBe(`Unavailable`)
+      expect(response.body.message).toBe(`Email already taken: '${user.email}'`)
       expect(events.user.created).toBeCalledTimes(0)
     })
 
@@ -237,7 +237,9 @@ describe("/api/global/users", () => {
         delete user._id
         const response = await config.api.users.saveUser(user, 400)
 
-        expect(response.body.message).toBe(`Unavailable`)
+        expect(response.body.message).toBe(
+          `Email already taken: '${user.email}'`
+        )
         expect(events.user.created).toBeCalledTimes(0)
       })
     })
@@ -249,7 +251,7 @@ describe("/api/global/users", () => {
 
       const response = await config.api.users.saveUser(user, 400)
 
-      expect(response.body.message).toBe(`Unavailable`)
+      expect(response.body.message).toBe(`Email already taken: '${user.email}'`)
       expect(events.user.created).toBeCalledTimes(0)
     })