diff --git a/web_ckeditor4/static/src/js/web_ckeditor4.js b/web_ckeditor4/static/src/js/web_ckeditor4.js
index c72b36a3..16a0b2de 100644
--- a/web_ckeditor4/static/src/js/web_ckeditor4.js
+++ b/web_ckeditor4/static/src/js/web_ckeditor4.js
@@ -122,6 +122,8 @@ openerp.web_ckeditor4 = function(openerp)
             removePlugins: 'iframe,flash,forms,smiley,pagebreak,stylescombo',
             filebrowserImageUploadUrl: 'dummy',
             extraPlugins: 'filebrowser',
+            // this is '#39' per default which screws up single quoted text in ${}
+            entities_additional: '',
         },
         ckeditor_filter: default_ckeditor_filter,
         ckeditor_writer: default_ckeditor_writer,