1 files changed, 12 insertions, 1 deletions
diff --git a/app/helpers/milestones_helper.rb b/app/helpers/milestones_helper.rb
index f8860bfee99..86666022a2a 100644
--- a/app/helpers/milestones_helper.rb
+++ b/app/helpers/milestones_helper.rb
@@ -32,7 +32,18 @@ module MilestonesHelper
   end
 
   def milestone_issues_by_label_count(milestone, label, state:)
-    milestone.issues.with_label(label.title).send(state).size
+    issues = milestone.issues.with_label(label.title)
+    issues =
+      case state
+      when :opened
+        issues.opened
+      when :closed
+        issues.closed
+      else
+        raise ArgumentError, "invalid milestone state `#{state}`"
+      end
+
+    issues.size
   end
 
   # Returns count of milestones for different states