diff --git a/other/config.nu b/other/config.nu
index 46b4f6f..50a1e1c 100644
--- a/other/config.nu
+++ b/other/config.nu
@@ -793,7 +793,7 @@ def nsp [
 def lcr [
     file_extension: string
 ] {
-    ls **/*.$file_extension | each {|file| open $file.name | lines --skip-empty | length} | math sum
+    ls $"**/*.($file_extension)" | each {|file| open $file.name | lines --skip-empty | length} | math sum
 }
 
 alias gnix = cd ~/nix-configs;