diff --git a/src/_h5ai/client/js/inc/ext/download.js b/src/_h5ai/client/js/inc/ext/download.js
index cc9cd736..4a287f8e 100644
--- a/src/_h5ai/client/js/inc/ext/download.js
+++ b/src/_h5ai/client/js/inc/ext/download.js
@@ -73,10 +73,10 @@ modulejs.define('ext/download', ['_', '$', 'core/settings', 'core/resource', 'co
 
 			var type = settings.type,
 				extension = type === 'shell-zip' ? 'zip' : 'tar',
-				query = '?action=passArchive'
-					+ '&as=' + encodeURIComponent((settings.packageName || location.getItem().label) + '.' + extension)
-					+ '&type=' + type
-					+ '&hrefs=' + encodeURIComponent(selectedHrefsStr),
+				query = '?action=passArchive' +
+					'&as=' + encodeURIComponent((settings.packageName || location.getItem().label) + '.' + extension) +
+					'&type=' + type +
+					'&hrefs=' + encodeURIComponent(selectedHrefsStr),
 				$iframe = $('<iframe src="' + query + '" style="display: none;" />');
 
 			$iframe.appendTo('body');
diff --git a/src/_h5ai/server/php/inc/Archive.php b/src/_h5ai/server/php/inc/Archive.php
index a00a26f7..5d5e8890 100644
--- a/src/_h5ai/server/php/inc/Archive.php
+++ b/src/_h5ai/server/php/inc/Archive.php
@@ -88,7 +88,7 @@ class Archive {
 
 		// POSIX.1-1988 UStar implementation, by @TvdW
 
-		$root_path = $this->app->get_root_abs_path();
+		$root_path = $this->app->get_abs_path();
 
 		// Build a list of filesizes so we can predict the total size
 		$filesizes = array();