diff --git a/grc.conf b/grc.conf
index 22d2f39..407630e 100644
--- a/grc.conf
+++ b/grc.conf
@@ -7,7 +7,7 @@ conf.irclog
 conf.log
 
 # configure command
-^([/\w\.]+\/)??configure
+^([/\w\.]+\/)?configure\b
 conf.configure
 
 # ping command