diff --git a/jam-files/engine/modules/path.c b/jam-files/engine/modules/path.c
index f8dedaccd..38c1e563c 100644
--- a/jam-files/engine/modules/path.c
+++ b/jam-files/engine/modules/path.c
@@ -9,6 +9,7 @@
 #include "../lists.h"
 #include "../native.h"
 #include "../timestamp.h"
+#include "../filesys.h"
 
 
 LIST * path_exists( FRAME * frame, int flags )