diff --git a/test/runner-win.c b/test/runner-win.c
index ad36719c..0a9690e7 100644
--- a/test/runner-win.c
+++ b/test/runner-win.c
@@ -25,6 +25,10 @@
 #include <stdio.h>
 #include <process.h>
 #include <windows.h>
+#if !defined(__MINGW32__)
+#include <crtdbg.h>
+#endif
+
 
 #include "task.h"
 #include "runner.h"
@@ -44,6 +48,10 @@ void platform_init(int argc, char **argv) {
   /* Disable the "application crashed" popup. */
   SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX |
       SEM_NOOPENFILEERRORBOX);
+#if !defined(__MINGW32__)
+  _CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_DEBUG);
+  _CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_DEBUG);
+#endif
 
   _setmode(0, _O_BINARY);
   _setmode(1, _O_BINARY);