diff --git a/compat/mingw.h b/compat/mingw.h
index 258f0ad4f9..a628b2d48d 100644
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -395,6 +395,8 @@ int mingw_offset_1st_component(const char *path);
 #ifndef __MINGW64_VERSION_MAJOR
 #define PRIuMAX "I64u"
 #define PRId64 "I64d"
+#else
+#include <inttypes.h>
 #endif
 
 void mingw_open_html(const char *path);