diff --git a/src/_h5ai/server/php/index.php b/src/_h5ai/server/php/index.php
index ace8971c..4f3d636f 100644
--- a/src/_h5ai/server/php/index.php
+++ b/src/_h5ai/server/php/index.php
@@ -12,7 +12,9 @@ function normalize_path($path, $trailing_slash = false) {
 define("APP_ABS_PATH", normalize_path(dirname(dirname(dirname(__FILE__)))));
 // define("APP_ABS_HREF", normalize_path(dirname(dirname(dirname(getenv("SCRIPT_NAME")))), true));
 define("APP_ABS_HREF", normalize_path(dirname(dirname(dirname(preg_replace('#^.*//#', '/', getenv("SCRIPT_NAME"))))), true)); // fixes lighttpd issues
-define("ABS_HREF", normalize_path(preg_replace('/[^\\/]*$/', '', getenv("REQUEST_URI")), true));
+$url_parts = parse_url(getenv("REQUEST_URI"));
+define("ABS_HREF", normalize_path($url_parts["path"]), true);
+
 
 function normalized_require_once($lib) {