diff --git a/membersince/membersince.php b/membersince/membersince.php
index 20e41ac9..448b8cf2 100644
--- a/membersince/membersince.php
+++ b/membersince/membersince.php
@@ -9,6 +9,7 @@
 
 use Friendica\Core\Hook;
 use Friendica\DI;
+use Friendica\Model\User;
 use Friendica\Util\DateTimeFormat;
 
 function membersince_install()
@@ -18,6 +19,18 @@ function membersince_install()
 
 function membersince_display(array &$b)
 {
+	$uid = DI::userSession()->getLocalUserId();
+
+	if ($uid === false) {
+		return;
+	}
+
+	$user = User::getById($uid, ['register_date']);
+
+	if ($user === false || !array_key_exists('register_date', $user)) {
+		return;
+	}
+
 	if (DI::appHelper()->getCurrentTheme() == 'frio') {
 		// Works in Frio.
 		$doc = new DOMDocument();
@@ -38,7 +51,7 @@ function membersince_display(array &$b)
 		$label->setAttribute('class', 'col-lg-4 col-md-4 col-sm-4 col-xs-12 profile-label-name text-muted');
 
 		// The div for the register date of the profile owner.
-		$entry = $doc->createElement('div', DateTimeFormat::local(DI::appHelper()->profile['register_date']));
+		$entry = $doc->createElement('div', DateTimeFormat::local($user['register_date']));
 		$entry->setAttribute('class', 'col-lg-8 col-md-8 col-sm-8 col-xs-12 profile-entry');
 
 		$div->appendChild($hr);
@@ -49,6 +62,6 @@ function membersince_display(array &$b)
 		$b = $doc->saveHTML();
 	} else {
 		// Works in Vier.
-		$b = preg_replace('/<\/dl>/', "</dl>\n\n\n<dl id=\"aprofile-membersince\" class=\"aprofile\">\n<dt>" . DI::l10n()->t('Member since:') . "</dt>\n<dd>" . DateTimeFormat::local(DI::appHelper()->profile['register_date']) . "</dd>\n</dl>", $b, 1);
+		$b = preg_replace('/<\/dl>/', "</dl>\n\n\n<dl id=\"aprofile-membersince\" class=\"aprofile\">\n<dt>" . DI::l10n()->t('Member since:') . "</dt>\n<dd>" . DateTimeFormat::local($user['register_date']) . "</dd>\n</dl>", $b, 1);
 	}
 }