diff --git a/tasks/grunt-contrib-watch.coffee b/tasks/grunt-contrib-watch.coffee
index 387b1745..51bed4d0 100644
--- a/tasks/grunt-contrib-watch.coffee
+++ b/tasks/grunt-contrib-watch.coffee
@@ -23,8 +23,11 @@ module.exports = ->
       # @todo Add `newer:` when relative `grunt-newer` bug will be fixed
       tasks: ['sprite']
     nunjucks:
-      files: ['<%= path.source.layouts %>/{,**/}*.nj']
+      files: ['<%= path.source.layouts %>/{,**/}*.nj', '!<%= path.source.layouts %>{,**/}_*.nj']
       tasks: ['newer:nunjucks']
+    nunjucksPartials:
+      files: ['<%= path.source.layouts %>{,**/}_*.nj']
+      tasks: ['nunjucks']
     images:
       files: ['<%= path.source.images %>/{,**/}*.{jpg,jpeg,gif,png}']
       tasks: ['newer:responsive_images:thumbnails']
\ No newline at end of file