diff --git a/Common/OS.cpp b/Common/OS.cpp
index 5a95bc21ff6a6a7241847dcbd36bf1af3bf66ccf..d696e6d4e69ec0d67f729099a33270b1fa18167e 100644
--- a/Common/OS.cpp
+++ b/Common/OS.cpp
@@ -25,6 +25,7 @@
 #include <windows.h>
 #include <process.h>
 #include <io.h>
+#include <direct.h>
 #endif
 
 #if defined(__APPLE__)