1 files changed, 1 insertions, 1 deletions

diff --git a/uisimulator/win32/file.h b/uisimulator/win32/file.h
index a542992cf9..2c94ba320a 100644
--- a/uisimulator/win32/file.h
+++ b/uisimulator/win32/file.h
@@ -38,6 +38,6 @@ int win32_filesize(int fd);
 #include "../../firmware/include/file.h"
 
 #undef rename
-
+#define mkdir(x,y) win32_mkdir(x,y)
 
 #endif