diff --git a/core/util.inc.php b/core/util.inc.php
index f5cda1bc..6ef44206 100644
--- a/core/util.inc.php
+++ b/core/util.inc.php
@@ -223,7 +223,7 @@ function get_base_href() {
 	}
 	assert(!empty($ok_var));
 	$dir = dirname($ok_var);
-	if($dir == "/") $dir = "";
+	if($dir == "/" || $dir == "\\") $dir = "";
 	return $dir;
 }