diff --git a/lib/cmock_file_writer.rb b/lib/cmock_file_writer.rb
index 867d539..d2d954c 100644
--- a/lib/cmock_file_writer.rb
+++ b/lib/cmock_file_writer.rb
@@ -2,7 +2,7 @@
 #   CMock Project - Automatic Mock Generation for C
 #   Copyright (c) 2007 Mike Karlesky, Mark VanderVoord, Greg Williams
 #   [Released under MIT License. Please refer to license.txt for details]
-# ========================================== 
+# ==========================================
 
 class CMockFileWriter
 
@@ -13,6 +13,10 @@ class CMockFileWriter
   end
 
   def create_subdir(subdir)
+    if !Dir.exists?("#{@config.mock_path}/")
+      require 'fileutils'
+      FileUtils.mkdir_p "#{@config.mock_path}/"
+    end
     if subdir && !Dir.exists?("#{@config.mock_path}/#{subdir+'/' if subdir}")
       require 'fileutils'
       FileUtils.mkdir_p "#{@config.mock_path}/#{subdir+'/' if subdir}"
@@ -28,9 +32,9 @@ class CMockFileWriter
     end
     update_file(full_file_name_done, full_file_name_temp)
   end
-  
+
   private ###################################
-  
+
   def update_file(dest, src)
     require 'fileutils'
     FileUtils.rm(dest) if (File.exist?(dest))