--- rxvt-unicode/src/rxvtc.C	2003/11/29 18:42:07	1.5
+++ rxvt-unicode/src/rxvtc.C	2003/12/02 21:49:46	1.6
@@ -44,6 +44,7 @@
   {
     sigset_t ss;
 
+    sigemptyset (&ss);
     sigaddset (&ss, SIGHUP);
     sigprocmask (SIG_BLOCK, &ss, 0);
   }