diff --git a/sql/sql_class.cc b/sql/sql_class.cc
index a481b365182..5cec1ba7a81 100644
--- a/sql/sql_class.cc
+++ b/sql/sql_class.cc
@@ -426,7 +426,7 @@ void THD::close_active_vio()
     vio_close(active_vio);
     active_vio = 0;
   }
-  DBUG_RETURN;
+  DBUG_VOID_RETURN;
 }
 #endif