diff --git a/plugins/vfspk3/vfspk3.cpp b/plugins/vfspk3/vfspk3.cpp
index 6d479191..4fe6bab5 100644
--- a/plugins/vfspk3/vfspk3.cpp
+++ b/plugins/vfspk3/vfspk3.cpp
@@ -39,6 +39,7 @@
 #endif
 
 #include <stdio.h>
+#include <errno.h>
 #include "vfspk3.h"
 #include "vfs.h"