diff --git a/Source/midifile.c b/Source/midifile.c
index 7e4dbc80..9cd70d2d 100644
--- a/Source/midifile.c
+++ b/Source/midifile.c
@@ -25,6 +25,10 @@
 #include "i_system.h"
 #include "midifile.h"
 
+#ifdef _WIN32
+#include "../win32/win_fopen.h"
+#endif
+
 #define HEADER_CHUNK_ID "MThd"
 #define TRACK_CHUNK_ID  "MTrk"
 #define MAX_BUFFER_SIZE 0x10000