diff --git a/code/model/MultiForm.php b/code/model/MultiForm.php
index e29ecbc..e125541 100644
--- a/code/model/MultiForm.php
+++ b/code/model/MultiForm.php
@@ -175,6 +175,15 @@ abstract class MultiForm extends Form {
 		return $this->controller;
 	}
 
+	/**
+	 * Returns the get_var to the template engine
+	 *
+	 * @return string
+	 */
+	public function get_var() {
+		return $this->config()->get_var;;
+	}
+
 	/**
 	 * Get the current step.
 	 *
diff --git a/templates/Includes/MultiFormProgressList.ss b/templates/Includes/MultiFormProgressList.ss
index 9677a7c..4c50060 100644
--- a/templates/Includes/MultiFormProgressList.ss
+++ b/templates/Includes/MultiFormProgressList.ss
@@ -1,7 +1,7 @@
 <ul class="stepIndicator current-$CurrentStep.class">
 <% loop AllStepsLinear %>
 	<li class="$ClassName<% if LinkingMode %> $LinkingMode<% end_if %><% if FirstLast %> $FirstLast<% end_if %><% if $ExtraClasses %> $ExtraClasses<% end_if %>">
-		<% if LinkingMode = current %><% else %><% if ID %><a href="{$Top.URLSegment}/?MultiFormSessionID={$SessionID}&amp;StepID={$ID}"><% end_if %><% end_if %>
+		<% if LinkingMode = current %><% else %><% if ID %><a href="{$Top.URLSegment}/?${Top.get_var}={$SessionID}&amp;StepID={$ID}"><% end_if %><% end_if %>
 		<% if Title %>$Title<% else %>$ClassName<% end_if %>
 		<% if LinkingMode = current %><% else %><% if ID %></a><% end_if %><% end_if %>
 	</li>