diff --git a/sc2/src/uqm/planets/roster.c b/sc2/src/uqm/planets/roster.c
index 3e9833f40..d3ab8608a 100644
--- a/sc2/src/uqm/planets/roster.c
+++ b/sc2/src/uqm/planets/roster.c
@@ -27,6 +27,7 @@
 #include "libs/gfxlib.h"
 #include "libs/tasklib.h"
 
+#include <stdlib.h>
 
 // Ship icon positions in status display around the flagship
 static const POINT ship_pos[MAX_COMBAT_SHIPS] =