diff --git a/hash-files b/hash-files
index 62ab707..1463b58 100755
--- a/hash-files
+++ b/hash-files
@@ -42,7 +42,7 @@ mdls_per_file () {
 		IFS=$old_IFS
 	done
 	old_IFS=$IFS
-	IFS=',';printf '%s' $mdls_properties;IFS=$old_IFS
+	IFS=',';printf '%s' ${mdls_properties[*]};IFS=$old_IFS
 }