diff --git a/dlls/msvcp90/msvcp_main.c b/dlls/msvcp90/msvcp_main.c
index 496efa90f6e..848d5bb6328 100644
--- a/dlls/msvcp90/msvcp_main.c
+++ b/dlls/msvcp90/msvcp_main.c
@@ -122,3 +122,8 @@ __int64 * __cdecl std_Fpz_func(void)
 {
     return &std_Fpz;
 }
+
+#if defined(__MINGW32__) && _MSVCP_VER >= 80 && _MSVCP_VER <= 90
+/* Hack: prevent Mingw from importing mingw_helpers.o which conflicts with encode/decode_pointer */
+int mingw_app_type = 0;
+#endif