diff --git a/plugins/vfspk3/vfs.cpp b/plugins/vfspk3/vfs.cpp
index 0654a656..c556d0a5 100644
--- a/plugins/vfspk3/vfs.cpp
+++ b/plugins/vfspk3/vfs.cpp
@@ -43,6 +43,7 @@
 
 #include <glib.h>
 #include <stdio.h>
+#include <errno.h>
 
 #if defined ( __linux__ ) || defined ( __APPLE__ )
   #include <dirent.h>