diff --git a/b2-include/b2template.functions.php b/b2-include/b2template.functions.php
index 6c012be63c..35c6ea8956 100644
--- a/b2-include/b2template.functions.php
+++ b/b2-include/b2template.functions.php
@@ -1186,7 +1186,7 @@ function comments_popup_link($zero='No Comments', $one='1 Comment', $more='% Com
                 return;
             }
         }
-        echo '<a href="$siteurl/';
+        echo '<a href="' . $siteurl . '/';
         if ($b2commentsjavascript) {
             echo $b2commentspopupfile.$querystring_start.'p'.$querystring_equal.$id.$querystring_separator.'c'.$querystring_equal.'1';
             echo '" onclick="b2open(this.href); return false"';