--- irssi-0.8.14/irssi.conf~	2009-07-21 21:48:30.000000000 +0300
+++ irssi-0.8.14/irssi.conf	2010-01-15 13:12:20.978147741 +0200
@@ -122,7 +122,7 @@
   GOTO = "sb goto";
   CHAT = "dcc chat";
   RUN = "SCRIPT LOAD";
-  CALC = "exec - if which bc &>/dev/null\\; then echo '$*' | bc | awk '{print \"$*=\"$$1}'\\; else echo bc was not found\\; fi";
+  CALC = "exec - if [ -x /usr/bin/bc ]\\; then echo '$*' | bc | awk '{print \"$*=\"$$1}'\\; else echo bc was not found\\; fi";
   SBAR = "STATUSBAR";
   INVITELIST = "mode $C +I";
   Q = "QUERY";