diff --git a/webdiff.sh b/webdiff.sh
index 7765575..0a15a65 100755
--- a/webdiff.sh
+++ b/webdiff.sh
@@ -16,8 +16,8 @@ webdiff() {
   local difflines= # line count of current diff
 
   readonly _origin="$(cd "$(dirname -- "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)"
-  readonly newgrab="/tmp/webdiff/new_${diffname}"
-  readonly oldgrab="${_origin}/compare/old_${diffname}"
+  readonly newcurl="/tmp/webdiff/new_${diffname}"
+  readonly oldcurl="${_origin}/compare/old_${diffname}"
   readonly diffnow="/tmp/webdiff/diff_${diffname}.txt"
 
   readonly wd_config="${_origin}/webdiff.conf"