diff --git a/test/test_rdoc_servlet.rb b/test/test_rdoc_servlet.rb
index 3840c544aa..40de171b6b 100644
--- a/test/test_rdoc_servlet.rb
+++ b/test/test_rdoc_servlet.rb
@@ -37,7 +37,7 @@ def @req.path= path
     @base        = File.join @tempdir, 'base'
     @system_dir  = File.join @tempdir, 'base', 'system'
     @home_dir    = File.join @tempdir, 'home'
-    @gem_doc_dir = File.join @tempdir, 'doc' 
+    @gem_doc_dir = File.join @tempdir, 'doc'
 
     @orig_base = RDoc::RI::Paths::BASE
     RDoc::RI::Paths::BASE.replace @base