diff --git a/decompress.cc b/decompress.cc
index 5bd3cc97..8c9dffa6 100644
--- a/decompress.cc
+++ b/decompress.cc
@@ -1,4 +1,4 @@
-#include <stdlib.h>
+#include <string.h>
 
 #include "decompress.hh"
 #include "zlib.h"