diff --git a/lib/misc.zsh b/lib/misc.zsh
index 9d9f13093..1c1e7be99 100644
--- a/lib/misc.zsh
+++ b/lib/misc.zsh
@@ -20,3 +20,6 @@ alias afind='ack-grep -il'
 if [[ -z "${LC_CTYPE:-}" && -z "${LC_ALL:-}" ]]; then
 	export LC_CTYPE=${LANG%%:*} # pick the first entry from LANG
 fi
+
+# recognize comments
+setopt interactivecomments