diff --git a/packages/twenty-server/src/engine/core-modules/auth/services/auth.service.ts b/packages/twenty-server/src/engine/core-modules/auth/services/auth.service.ts
index b75ddf1d84..9db1345181 100644
--- a/packages/twenty-server/src/engine/core-modules/auth/services/auth.service.ts
+++ b/packages/twenty-server/src/engine/core-modules/auth/services/auth.service.ts
@@ -227,6 +227,15 @@ export class AuthService {
     }
 
     if (userData.type === 'existingUser') {
+      if (!userData.existingUser.passwordHash) {
+        throw new AuthException(
+          'Incorrect login method',
+          AuthExceptionCode.INVALID_INPUT,
+          {
+            userFriendlyMessage: msg`User was not created with email/password`,
+          },
+        );
+      }
       await this.signInUpService.validatePassword({
         password: authParams.password,
         passwordHash: userData.existingUser.passwordHash,