diff --git a/lib/jsdoc/util/templateHelper.js b/lib/jsdoc/util/templateHelper.js
index b013b213..28843ef8 100644
--- a/lib/jsdoc/util/templateHelper.js
+++ b/lib/jsdoc/util/templateHelper.js
@@ -45,8 +45,8 @@ function makeUniqueFilename(filename, str) {
 
     // don't allow filenames to begin with an underscore
     if (!filename.length || filename[0] === '_') {
-      filename = 'X' + filename;
-      key = filename.toLowerCase();
+        filename = 'X' + filename;
+        key = filename.toLowerCase();
     }
 
     // append enough underscores to make the filename unique