diff --git a/cd.sh b/cd.sh
index 1fda11b..d1c14ad 100644
--- a/cd.sh
+++ b/cd.sh
@@ -649,10 +649,11 @@ local command="${1}"
 }
 
 cd_ls () {
-    if [ -d "${1}" ] ; then
-        cd_open "${1}"
-        ls -a -l "${1}" || exit
-        cd_shut "${1}"
+    cd_ls__path="${1}"
+    if [ "${cd_ls__path}" ] ; then
+        cd_open "${cd_ls__path}"
+        ls -a -l "${cd_ls__path}" || exit
+        cd_shut "${cd_ls__path}"
     fi
 }