diff --git a/dlls/wininet/cookie.c b/dlls/wininet/cookie.c
index 76f9ac5ae5c..61aa53b7812 100644
--- a/dlls/wininet/cookie.c
+++ b/dlls/wininet/cookie.c
@@ -234,6 +234,7 @@ static BOOL load_persistent_cookie(LPCWSTR domain, LPCWSTR path)
         heap_free(name);
         heap_free(data);
     }
+    heap_free(str);
     heap_free(name);
     heap_free(data);