diff --git a/attr.c b/attr.c
index 2ce7365138..af4083582d 100644
--- a/attr.c
+++ b/attr.c
@@ -286,6 +286,7 @@ static void free_attr_elem(struct attr_stack *e)
 		}
 		free(a);
 	}
+	free(e->attrs);
 	free(e);
 }