diff --git a/compat/win32/fscache.c b/compat/win32/fscache.c
index 5edbb6150a..9275abea17 100644
--- a/compat/win32/fscache.c
+++ b/compat/win32/fscache.c
@@ -6,6 +6,7 @@
 #include "config.h"
 #include "../../mem-pool.h"
 #include "ntifs.h"
+#include "../../abspath.h"
 
 static volatile long initialized;
 static DWORD dwTlsIndex;