diff --git a/src/win32/utf-conv.c b/src/win32/utf-conv.c
index 3c8be81d1..683b883cb 100644
--- a/src/win32/utf-conv.c
+++ b/src/win32/utf-conv.c
@@ -7,6 +7,7 @@
 
 #include "common.h"
 #include "utf-conv.h"
+#include "git2/windows.h"
 
 /*
  * Default codepage value