diff --git a/Python/mactoolboxglue.c b/Python/mactoolboxglue.c
index 0aa2cfd..26a1308 100644
--- a/Python/mactoolboxglue.c
+++ b/Python/mactoolboxglue.c
@@ -60,8 +60,9 @@
 			strncpy(buf, input, sizeof(buf) - 1);
 			buf[sizeof(buf) - 1] = '\0';
 		}
+		Py_DECREF(rv);
 	}
-	
+	Py_XDECREF(m);
 	return buf;
 }