diff --git a/main/stdtime/localtime.c b/main/stdtime/localtime.c
index 8b87b26b74..39de8c7e9a 100644
--- a/main/stdtime/localtime.c
+++ b/main/stdtime/localtime.c
@@ -506,7 +506,7 @@ static void *kqueue_daemon(void *data)
 			continue;
 		}
 
-		sp = kev.udata;
+		sp = (struct state *) kev.udata;
 
 		AST_LIST_LOCK(&zonelist);
 		/* see comment near psx_sp in add_notify() */