diff --git a/realpath.sh b/realpath.sh
index 8898066..75d9e58 100755
--- a/realpath.sh
+++ b/realpath.sh
@@ -8,4 +8,4 @@ case "$target" in
 *) p="${p%/*}/$target";;
 esac
 
-printf "%s\n" "$p"|sed -e 's@/[^/]*/\.\.\(/\|$\)@/@g' -e 's|/\.\(/\|$\)|/|g' -e 's|/$||g'
+printf "%s\n" "$p"|sed -e 's@/[^/]*/\.\.\(/\|$\)@/@g' -e 's|/\.\(/\|$\)|/|g' -e 's|/$||g' -e '/^$/d'