1 files changed, 5 insertions, 1 deletions
diff --git a/lib/gitlab/git_ref_validator.rb b/lib/gitlab/git_ref_validator.rb
index a90b69ff42b..3f13ebeb9d0 100644
--- a/lib/gitlab/git_ref_validator.rb
+++ b/lib/gitlab/git_ref_validator.rb
@@ -13,7 +13,11 @@ module Gitlab
       return false if ref_name.start_with?(*not_allowed_prefixes)
       return false if ref_name == 'HEAD'
 
-      Rugged::Reference.valid_name? "refs/heads/#{ref_name}"
+      begin
+        Rugged::Reference.valid_name?("refs/heads/#{ref_name}")
+      rescue ArgumentError
+        return false
+      end
     end
   end
 end