diff --git a/lib/outputcomponents.php b/lib/outputcomponents.php
index 285c768ffe5..92f0bf66cfe 100644
--- a/lib/outputcomponents.php
+++ b/lib/outputcomponents.php
@@ -597,7 +597,7 @@ class pix_icon implements renderable, templatable {
      */
     public function export_for_template(renderer_base $output) {
         $attributes = $this->attributes;
-        $attributes['src'] = $output->pix_url($this->pix, $this->component);
+        $attributes['src'] = $output->pix_url($this->pix, $this->component)->out(false);
         $templatecontext = array();
         foreach ($attributes as $name => $value) {
             $templatecontext[] = array('name' => $name, 'value' => $value);