diff --git a/challenge-eight/challenge-four.sh b/challenge-eight/challenge-four.sh
old mode 100644
new mode 100755
index 8500fd8..b515be7
--- a/challenge-eight/challenge-four.sh
+++ b/challenge-eight/challenge-four.sh
@@ -1,7 +1,8 @@
 #!/bin/bash
 
+read -p "Please enter your direcroty path: " directory_path
 list_files() {
-  for file in $1/*; do
+    for file in $(ls "$1"/*); do
     echo $file
     if [[ -d $file ]]; then
       list_files $file
@@ -9,4 +10,5 @@ list_files() {
   done
 }
 
+list_files $directory_path