diff --git a/src/m4.c b/src/m4.c
index 2bd57750..ca3ded62 100644
--- a/src/m4.c
+++ b/src/m4.c
@@ -36,6 +36,10 @@
 # include "assert.h"
 #endif
 
+#ifdef _WIN32
+#  include <crtdbg.h>
+#endif
+
 /* TRANSLATORS: This is a non-ASCII name: The first name is (with
    Unicode escapes) "Ren\u00e9" or (with HTML entities) "Ren&eacute;".  */
 #define AUTHORS proper_name_utf8 ("Rene' Seindal", "Ren\xC3\xA9 Seindal")
@@ -423,6 +427,15 @@ main (int argc, char *const *argv)
   textdomain (PACKAGE);
   atexit (close_stdin);
 
+#ifdef _WIN32
+  _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
+  _CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
+  _CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_FILE);
+  _CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR);
+  _CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_FILE);
+  _CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
+#endif
+
   include_init ();
   debug_init ();