diff --git a/administrator/includes/app.php b/administrator/includes/app.php
index b281b69d71172..161abb4a2f85e 100644
--- a/administrator/includes/app.php
+++ b/administrator/includes/app.php
@@ -28,7 +28,7 @@
 
 // Check for presence of vendor dependencies not included in the git repository
 if (!file_exists(JPATH_LIBRARIES . '/vendor/autoload.php') || !is_dir(JPATH_PUBLIC . '/media/vendor')) {
-    echo file_get_contents(JPATH_BASE . '/templates/system/build_incomplete.html');
+    echo file_get_contents(JPATH_ROOT . '/templates/system/build_incomplete.html');
 
     exit;
 }
diff --git a/includes/app.php b/includes/app.php
index 394da7f94c4ed..53a25b9c8f0f4 100644
--- a/includes/app.php
+++ b/includes/app.php
@@ -28,7 +28,7 @@
 
 // Check for presence of vendor dependencies not included in the git repository
 if (!file_exists(JPATH_LIBRARIES . '/vendor/autoload.php') || !is_dir(JPATH_PUBLIC . '/media/vendor')) {
-    echo file_get_contents(JPATH_BASE . '/templates/system/build_incomplete.html');
+    echo file_get_contents(JPATH_ROOT . '/templates/system/build_incomplete.html');
 
     exit;
 }