diff --git a/themes/antergos/js/greeter.js b/themes/antergos/js/greeter.js
index 90795b4..3d619ff 100644
--- a/themes/antergos/js/greeter.js
+++ b/themes/antergos/js/greeter.js
@@ -214,7 +214,7 @@ class AntergosThemeUtils {
 	}
 
 	is_not_empty( value ) {
-		empty_values = [null, 'null', undefined, 'undefined'];
+		let empty_values = [null, 'null', undefined, 'undefined'];
 		return empty_values.findIndex(v => v === value) === -1;
 	}