diff --git a/.config/bash/module/name.sh b/.config/bash/module/name.sh
index 68049e9..7c41dfb 100644
--- a/.config/bash/module/name.sh
+++ b/.config/bash/module/name.sh
@@ -31,7 +31,7 @@ name()
     [[ "${ext#.}" = "${name}" ]] && ext=""
 
     # Get new name.
-    local new_name=$(parse_simplify "${name}")${ext}
+    local new_name=$(parse_simplify "${name}")${ext,,}
 
     # status line.
     local status="[${count}/${total}] ${target} -> ${new_name}"
@@ -87,7 +87,7 @@ name_hash()
 
       # hash the new name.
       local hash=$(sha1sum -- "${target}" | cut -d\  -f1)
-      new_name="${hash,,}${extension}"
+      new_name="${hash,,}${extension,,}"
       
       # prepare status.
       local status="[${count}/${total}] ${target} -> ${new_name}"