diff --git a/lib/middleman/guard.rb b/lib/middleman/guard.rb
index d4924cf9..51a117ff 100644
--- a/lib/middleman/guard.rb
+++ b/lib/middleman/guard.rb
@@ -27,7 +27,10 @@ module Middleman
           end
         }
 
-        ::Guard.start({ :guardfile_contents => guardfile_contents })
+        ::Guard.start({ 
+          :guardfile_contents => guardfile_contents,
+          :watch_all_modifications => true
+        })
       end
     end
   end