diff --git a/templates/webapps/tool_shed/repository/tool_form.mako b/templates/webapps/tool_shed/repository/tool_form.mako
index ba75c0c27c1..eaa0b3e6ecc 100644
--- a/templates/webapps/tool_shed/repository/tool_form.mako
+++ b/templates/webapps/tool_shed/repository/tool_form.mako
@@ -127,7 +127,7 @@
                 <div class="toolFormTitle">${tool.name | h} (version ${tool.version | h})</div>
                 <div class="toolFormBody">
                     <form id="tool_form" name="tool_form" action="" method="get">
-                        <input type="hidden" name="tool_state" value="${util.object_to_string( tool_state.encode( tool, app ) )}">
+                        <input type="hidden" name="tool_state" value="">
                         ${do_inputs( tool.inputs_by_page[ tool_state.page ], tool_state.inputs, "" )}
                     </form>
                 </div>