diff --git a/sites/all/modules/contrib/ckeditor/ckeditor.config.js b/sites/all/modules/contrib/ckeditor/ckeditor.config.js
index a4111c3..3c63788 100644
--- a/sites/all/modules/contrib/ckeditor/ckeditor.config.js
+++ b/sites/all/modules/contrib/ckeditor/ckeditor.config.js
@@ -143,3 +143,13 @@ CKEDITOR.editorConfig = function(config) {
   //config.extraPlugins += (config.extraPlugins ? ',imce' : 'imce' );
   //CKEDITOR.plugins.addExternal('imce', Drupal.settings.ckeditor.module_path + '/plugins/imce/');
 };
+
+/*
+ Configure some at instance time settings.
+ */
+CKEDITOR.on('instanceReady', function(ev) {
+  // Don't enter line breaks after paragraph so we can be friendly to drupal's line break filter.
+  ev.editor.dataProcessor.writer.setRules('p', {
+    breakAfterOpen: false
+  });
+});