diff --git a/lib/fake-getaddrinfo.c b/lib/fake-getaddrinfo.c
index a1d36b12..d831732d 100644
--- a/lib/fake-getaddrinfo.c
+++ b/lib/fake-getaddrinfo.c
@@ -11,6 +11,7 @@
 
 #include "config.h"
 
+#include <stdlib.h>
 #include <sys/types.h>
 #include <netinet/in.h>
 #include <sys/socket.h>