diff --git a/lib/middleman/core_extensions/front_matter.rb b/lib/middleman/core_extensions/front_matter.rb
index 4523b504..416f686d 100644
--- a/lib/middleman/core_extensions/front_matter.rb
+++ b/lib/middleman/core_extensions/front_matter.rb
@@ -52,7 +52,7 @@ module Middleman::CoreExtensions::FrontMatter
   class FrontMatter
     class << self
       def matcher
-        %r{source/.*\.html}
+        %r{^source/.*\.html}
       end
     end
     
diff --git a/lib/middleman/core_extensions/sitemap.rb b/lib/middleman/core_extensions/sitemap.rb
index b58cc922..2fd1dfd6 100644
--- a/lib/middleman/core_extensions/sitemap.rb
+++ b/lib/middleman/core_extensions/sitemap.rb
@@ -12,12 +12,12 @@ module Middleman::CoreExtensions::Sitemap
   module InstanceMethods
     def initialize
       super
-    
-      file_changed do |file|
+
+      file_changed %r{^source/} do |file|
         sitemap.touch_file(file)
       end
-    
-      file_deleted do |file|
+
+      file_deleted %r{^source/} do |file|
         sitemap.remove_file(file)
       end
     end