diff --git a/public_html/deployment/classes/htmlguielements.class.php b/public_html/deployment/classes/htmlguielements.class.php
index 7c3e2cec6a412bbd2c448ef6a80bbe4801184559..faa65dae250fe505658f32c64a7e5b1e807262ca 100644
--- a/public_html/deployment/classes/htmlguielements.class.php
+++ b/public_html/deployment/classes/htmlguielements.class.php
@@ -425,7 +425,7 @@ class htmlguielements{
         foreach ($aTabData['tabs'] as  $sTabLabel=>$sTabContent){
             $iCounter++;
             $iTab++;
-            $sId="tab-generated-${iCounter}";
+            $sId="tab-generated-$iCounter";
             $sTabs.= ($iTab==1 ?  '<li class="active"' : '<li')
                 . ' role="presentation">'
                 . '<a href="#'.$sId.'" data-toggle="tab">' . $sTabLabel . '</a></li>'