diff --git a/cd.sh b/cd.sh
index ecb9f92..561dc0e 100644
--- a/cd.sh
+++ b/cd.sh
@@ -686,14 +686,14 @@ local path="${1}"
 }
 
 cd_sed () {
-local expression
-local file="${1}"
-shift
-    if [ -f "${file}" ] ; then
-        cd_cat "${file}"
-        for expression in "${@}" ; do
-            sed --in-place "s${expression}g" "${file}" \
-            && cd_cat "${file}" \
+    cd_sed__file="${1}"
+    shift
+    #
+    if [ -f "${cd_sed__file}" ] ; then
+        cd_cat "${cd_sed__file}"
+        for cd_sed__regex in "${@}" ; do
+            sed --in-place "s${cd_sed__regex}g" "${cd_sed__file}" \
+            && cd_cat "${cd_sed__file}" \
             || exit
         done
     fi