diff --git a/compat/mingw.c b/compat/mingw.c
index 27b403c735..1fee840bb6 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -17,6 +17,7 @@
 #include "win32/fscache.h"
 #include "../attr.h"
 #include "../string-list.h"
+#include "../write-or-die.h"
 
 #define HCAST(type, handle) ((type)(intptr_t)handle)