diff --git a/modules/core/www/show_metadata.php b/modules/core/www/show_metadata.php
index d7265c64b2274604a33a5e8e4536b4baad43f1de..102f1033f2feb862dbcd35fb7eb244eaeea0ce1d 100644
--- a/modules/core/www/show_metadata.php
+++ b/modules/core/www/show_metadata.php
@@ -29,6 +29,10 @@ $t->data['clipboard.js'] = true;
 $t->data['pageid'] = 'show_metadata';
 $t->data['header'] = 'SimpleSAMLphp Show Metadata';
 $t->data['backlink'] = SimpleSAML\Module::getModuleURL('core/frontpage_federation.php');
+/**
+ * @todo Remove "m" from the data array once we remove the old PHP templates.
+ */
+$t->data['m'] = $m;
 $t->data['entityid'] = $m['metadata-index'];
 unset($m['metadata-index']);
 $t->data['metadata'] = var_export($m, true);