diff --git a/lzhamdecomp/lzham_vector.h b/lzhamdecomp/lzham_vector.h
index badc540..1c5331e 100644
--- a/lzhamdecomp/lzham_vector.h
+++ b/lzhamdecomp/lzham_vector.h
@@ -1,6 +1,7 @@
 // File: lzham_vector.h
 // LZHAM is in the Public Domain. Please see the Public Domain declaration at the end of include/lzham.h
 #pragma once
+#include <string.h>
 
 namespace lzham
 {
