diff --git a/Python/marshal.c b/Python/marshal.c
index f3d7b5c..916faa7 100644
--- a/Python/marshal.c
+++ b/Python/marshal.c
@@ -468,6 +468,7 @@
 			XDECREF(code);
 			XDECREF(consts);
 			XDECREF(names);
+			XDECREF(varnames);
 			XDECREF(filename);
 			XDECREF(name);