diff --git a/src/client/play.c b/src/client/play.c
index a33541ab..4f775717 100644
--- a/src/client/play.c
+++ b/src/client/play.c
@@ -39,6 +39,7 @@
 #include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #ifdef _WIN32
 #include <process.h>
 #include <sys/socket.h>