diff --git a/backend/apps/web/routers/auths.py b/backend/apps/web/routers/auths.py
index c9158cfa9..9fa962dda 100644
--- a/backend/apps/web/routers/auths.py
+++ b/backend/apps/web/routers/auths.py
@@ -118,26 +118,24 @@ async def signin(request: Request, form_data: SigninForm):
                 ),
             )
         user = Auths.authenticate_user_by_trusted_header(trusted_email)
-    else:
-        if WEBUI_AUTH == False:
+    elif WEBUI_AUTH == False:
+        admin_email = "admin@localhost"
+        admin_password = "admin"
 
-            admin_email = "admin@localhost"
-            admin_password = "admin"
-
-            if Users.get_user_by_email(admin_email.lower()):
-                user = Auths.authenticate_user(admin_email.lower(), admin_password)
-            else:
-                if Users.get_num_users() != 0:
-                    raise HTTPException(400, detail=ERROR_MESSAGES.EXISTING_USERS)
-
-                await signup(
-                    request,
-                    SignupForm(email=admin_email, password=admin_password, name="User"),
-                )
-
-                user = Auths.authenticate_user(admin_email.lower(), admin_password)
+        if Users.get_user_by_email(admin_email.lower()):
+            user = Auths.authenticate_user(admin_email.lower(), admin_password)
         else:
-            user = Auths.authenticate_user(form_data.email.lower(), form_data.password)
+            if Users.get_num_users() != 0:
+                raise HTTPException(400, detail=ERROR_MESSAGES.EXISTING_USERS)
+
+            await signup(
+                request,
+                SignupForm(email=admin_email, password=admin_password, name="User"),
+            )
+
+            user = Auths.authenticate_user(admin_email.lower(), admin_password)
+    else:
+        user = Auths.authenticate_user(form_data.email.lower(), form_data.password)
 
     if user:
         token = create_token(