diff --git a/lib/motion/project/builder.rb b/lib/motion/project/builder.rb
index ea419ce0..b07c2958 100644
--- a/lib/motion/project/builder.rb
+++ b/lib/motion/project/builder.rb
@@ -392,8 +392,8 @@ EOS
       # Compile IB resources.
       if File.exist?(config.resources_dir)
         ib_resources = []
-        ib_resources.concat((Dir.glob(File.join(config.resources_dir, '*.xib')) + Dir.glob(File.join(config.resources_dir, '*.lproj', '*.xib'))).map { |xib| [xib, xib.sub(/\.xib$/, '.nib')] })
-        ib_resources.concat(Dir.glob(File.join(config.resources_dir, '*.storyboard')).map { |storyboard| [storyboard, storyboard.sub(/\.storyboard$/, '.storyboardc')] })
+        ib_resources.concat((Dir.glob(File.join(config.resources_dir, '**', '*.xib')) + Dir.glob(File.join(config.resources_dir, '*.lproj', '*.xib'))).map { |xib| [xib, xib.sub(/\.xib$/, '.nib')] })
+        ib_resources.concat(Dir.glob(File.join(config.resources_dir, '**', '*.storyboard')).map { |storyboard| [storyboard, storyboard.sub(/\.storyboard$/, '.storyboardc')] })
         ib_resources.each do |src, dest|
           if !File.exist?(dest) or File.mtime(src) > File.mtime(dest)
             App.info 'Compile', src