diff --git a/admin/email_queue.php b/admin/email_queue.php
index c68d5a9f66..5fbfffc2a2 100644
--- a/admin/email_queue.php
+++ b/admin/email_queue.php
@@ -26,6 +26,9 @@
 
 require_once( dirname( dirname( __FILE__ ) ) . '/core.php' );
 
+# Load schema version needed to render admin menu bar
+require_once( 'schema.php' );
+
 access_ensure_global_level( config_get_global( 'admin_site_threshold' ) );
 
 layout_page_header();
diff --git a/admin/system_utils.php b/admin/system_utils.php
index 84d9f8b78f..7653e371a4 100644
--- a/admin/system_utils.php
+++ b/admin/system_utils.php
@@ -26,6 +26,9 @@
 
 require_once( dirname( dirname( __FILE__ ) ) . '/core.php' );
 
+# Load schema version needed to render admin menu bar
+require_once( 'schema.php' );
+
 access_ensure_global_level( config_get_global( 'admin_site_threshold' ) );
 
 layout_page_header( 'MantisBT Administration - System Utilities' );
diff --git a/admin/test_langs.php b/admin/test_langs.php
index 7637553a2a..bd26def695 100644
--- a/admin/test_langs.php
+++ b/admin/test_langs.php
@@ -29,6 +29,9 @@
 
 require_once( $t_mantis_dir . 'core.php' );
 
+# Load schema version needed to render admin menu bar
+require_once( 'schema.php' );
+
 access_ensure_global_level( config_get_global( 'admin_site_threshold' ) );
 
 if( function_exists( 'xdebug_disable' ) ) {