diff --git a/.gitlab/ci/common.yml b/.gitlab/ci/common.yml
index c804b66611..27dad45334 100644
--- a/.gitlab/ci/common.yml
+++ b/.gitlab/ci/common.yml
@@ -229,7 +229,8 @@ variables:
     else
       git remote add origin "${MIRROR_REPO_URL}"
     fi
-    git fetch origin --no-recurse-submodules
+    # mirror url may fail with authentication issue
+    git fetch origin --no-recurse-submodules || true
   fi
 
   # set remote url to CI_REPOSITORY_URL