diff --git a/common/lib/capa/capa/templates/designprotein2dinput.html b/common/lib/capa/capa/templates/designprotein2dinput.html
index ff845f8713..6733566ab9 100644
--- a/common/lib/capa/capa/templates/designprotein2dinput.html
+++ b/common/lib/capa/capa/templates/designprotein2dinput.html
@@ -1,5 +1,5 @@
 <section id="designprotein2dinput_${id}" class="designprotein2dinput">
-    <div class="script_placeholder" data-src="/static/js/capa/protex/protex.nocache.js"/>
+    <div class="script_placeholder" data-src="/static/js/capa/protex/protex.nocache.js?raw"/>
     <div class="script_placeholder" data-src="${applet_loader}"/>
 
     % if status == 'unsubmitted':