diff --git a/railties/lib/rails/paths.rb b/railties/lib/rails/paths.rb
index 55b820b12e..b37421c09c 100644
--- a/railties/lib/rails/paths.rb
+++ b/railties/lib/rails/paths.rb
@@ -171,9 +171,9 @@ module Rails
       def existent
         expanded.select { |f| File.exists?(f) }
       end
-      
+
       def existent_directories
-        expanded.select {|d| Dir.exists?(d) }
+        expanded.select { |d| File.directory?(d) }
       end
 
       alias to_a expanded