diff --git a/cron/update.cron b/cron/update.cron
index 1e1c786..345d283 100644
--- a/cron/update.cron
+++ b/cron/update.cron
@@ -20,6 +20,9 @@ function bitcron_main()
     warning "Incorporating these diffs from the repository"
     cat $DIFF
     svn update || error "Could not update local copy"
+    echo "Checking config"
+    [ "`/home/ircd/ircd/sbin/chkconf 2>&1 | grep ERROR`" != "" ] && \
+      fatal "Configuration is invalid at HEAD!"
     echo "Sending -HUP to the ircd"
     pkill -HUP ircd || error "Could not send HUP to ircd"
   }