diff --git a/styles/prosilver/template/event/overall_header_navigation_append.html b/styles/prosilver/template/event/overall_header_navigation_append.html
index 893e98c..0ff1638 100644
--- a/styles/prosilver/template/event/overall_header_navigation_append.html
+++ b/styles/prosilver/template/event/overall_header_navigation_append.html
@@ -1 +1 @@
-<li class="small-icon icon-bump"><a href="{U_MCHAT}" title="{L_MCHAT_TITLE}">{L_MCHAT_TITLE}</a></li>
+<!-- IF MCHAT_ENABLE and U_MCHAT --><li class="small-icon icon-bump"><a href="{U_MCHAT}" title="{L_MCHAT_TITLE}">{L_MCHAT_TITLE}</a></li><!-- ENDIF -->