diff --git a/src/party_member.cc b/src/party_member.cc
index 100c785..a29ed05 100644
--- a/src/party_member.cc
+++ b/src/party_member.cc
@@ -29,6 +29,7 @@
 #include "window_manager.h"
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 
 typedef struct PartyMemberDescription {