diff --git a/styles/prosilver/template/event/overall_header_head_append.html b/styles/prosilver/template/event/overall_header_head_append.html
index dfb983a1..86922c9a 100755
--- a/styles/prosilver/template/event/overall_header_head_append.html
+++ b/styles/prosilver/template/event/overall_header_head_append.html
@@ -1 +1 @@
-<link href="{T_EXT_THEME_PATH}portal.css" rel="stylesheet" type="text/css" />
+<!-- IF T_EXT_THEME_PATH --><link href="{T_EXT_THEME_PATH}portal.css" rel="stylesheet" type="text/css" /><!-- ENDIF -->