--- asterisk-1.8.0-beta5/main/pbx.c     2010-08-12 20:03:56.000000000 +0200
+++ /usr/src/asterisk-1.8.0-beta5/main/pbx.c    2010-09-20 12:55:24.000000000 +0200
@@ -9507,13 +9507,17 @@
                        ast_verb(2, "Setting global variable '%s' to '%s'\n", name, value);
                newvariable = ast_var_assign(name, value);
                AST_LIST_INSERT_HEAD(headp, newvariable, entries);
+
+               if (!chan->uniqueid)
+                        ast_log(LOG_ERROR, "chan->uniqueid is fucked\n");
+
                manager_event(EVENT_FLAG_DIALPLAN, "VarSet",
                        "Channel: %s\r\n"
                        "Variable: %s\r\n"
                        "Value: %s\r\n"
                        "Uniqueid: %s\r\n",
-                       chan ? chan->name : "none", name, value,
-                       chan ? chan->uniqueid : "none");
+                       chan->name ? chan->name : "none", name, value,
+                       chan->uniqueid ? chan->uniqueid : "none");
        }

        if (chan)