diff --git a/awx/sso/middleware.py b/awx/sso/middleware.py
index 4085286d2b..9923680cb2 100644
--- a/awx/sso/middleware.py
+++ b/awx/sso/middleware.py
@@ -51,6 +51,7 @@ class SocialAuthMiddleware(SocialAuthExceptionMiddleware):
                     logout(request)
                 elif auth_token and request.user != auth_token.user:
                     logout(request)
+                    auth_token.user.backend = ''
                     login(request, auth_token.user)
                     auth_token.refresh()