1 files changed, 5 insertions, 0 deletions
diff --git a/lib/arel/visitors/dot.rb b/lib/arel/visitors/dot.rb
index 277573f7fe..f66dfd8a54 100644
--- a/lib/arel/visitors/dot.rb
+++ b/lib/arel/visitors/dot.rb
@@ -28,6 +28,11 @@ module Arel
       end
 
       private
+      def visit_Arel_Nodes_Count o
+        visit_edge o, "expressions"
+        visit_edge o, "distinct"
+      end
+
       def visit_Arel_Nodes_StringJoin o
         visit_edge o, "left"
         visit_edge o, "right"