--- a/mcabber/src/hooks.c	Mon Aug 01 21:43:01 2005 +0100
+++ b/mcabber/src/hooks.c	Thu Aug 04 09:00:54 2005 +0100
@@ -160,7 +160,7 @@
   }
 
   if (pid == 0) { // child
-    if (execl(extcmd, extcmd, arg_type, arg_info, jid, arg_data) == -1) {
+    if (execl(extcmd, extcmd, arg_type, arg_info, jid, arg_data, NULL) == -1) {
       // scr_LogPrint(LPRINT_LOGNORM, "Cannot execute external command.");
       exit(1);
     }