diff --git a/etemplate/js/et2_widget_description.js b/etemplate/js/et2_widget_description.js
index ba2db0d235..ba832a5164 100644
--- a/etemplate/js/et2_widget_description.js
+++ b/etemplate/js/et2_widget_description.js
@@ -239,7 +239,7 @@ var et2_description = expose(et2_baseWidget.extend([et2_IDetachedDOM],
 			var self= this;
 			var $span =  this.options.mime_data? jQuery(this.span): jQuery('a',this.span);
 			$span.click(function(e) {
-				if (self.options.expose_view && typeof self.options.mime !='undefined' && self.options.mime.match(/video\/|image\/|audio\//,'ig'))
+				if (self.options.expose_view && typeof self.options.mime !='undefined' && self.options.mime.match(self.mime_regexp,'ig'))
 				{
 					self._init_blueimp_gallery(e, href);
 				}
diff --git a/etemplate/js/expose.js b/etemplate/js/expose.js
index 2b9478705c..1896997003 100644
--- a/etemplate/js/expose.js
+++ b/etemplate/js/expose.js
@@ -48,7 +48,7 @@ function expose (widget)
 	};
 
 	// For filtering to only show things we can handle
-	var mime_regex = new RegExp(/video\/|image\/|audio\//);
+	var mime_regex = new RegExp(/(video\/)|(image\/:*(?!tif|x-xcf))|(audio\/)/);
 
 	// Only one gallery
 	var gallery = null;
@@ -206,7 +206,7 @@ function expose (widget)
 			init: function()
 			{
 				this._super.apply(this, arguments);
-
+				this.mime_regexp = mime_regex;
 				var self=this;
 				this.expose_options = {
 					// The Id, element or querySelector of the gallery widget: