diff --git a/tabellio/searchform/docsearch.pt b/tabellio/searchform/docsearch.pt
index b9a3cdb..3ddda07 100644
--- a/tabellio/searchform/docsearch.pt
+++ b/tabellio/searchform/docsearch.pt
@@ -27,7 +27,7 @@
 
 
         <div tal:define="search_results view/document_search_results;
-                         search_batch python:Batch(search_results or [], b_size, int(b_start), orphan=1);"
+                         search_batch python:Batch(list(search_results or []), b_size, int(b_start), orphan=1);"
              tal:condition="python: search_results is not None">
 
         <div id="resultsbox">
@@ -59,7 +59,7 @@
           <div tal:replace="structure view/dossier_search_form"/>
 
         <div tal:define="search_results view/dossier_search_results;
-                         search_batch python:Batch(search_results or [], b_size, int(b_start), orphan=1);"
+                         search_batch python:Batch(list(search_results or []), b_size, int(b_start), orphan=1);"
              tal:condition="python: search_results is not None">
 
         <input name="fieldset.current" type="hidden" value="#fieldset-dossiers"/>
@@ -92,7 +92,7 @@
           <div tal:replace="structure view/question_search_form"/>
 
         <div tal:define="search_results view/question_search_results;
-                         search_batch python:Batch(search_results or [], b_size, int(b_start), orphan=1);"
+                         search_batch python:Batch(list(search_results or []), b_size, int(b_start), orphan=1);"
              tal:condition="python: search_results is not None">
 
         <input name="fieldset.current" type="hidden" value="#fieldset-questions"/>