diff --git a/module/VuFind/src/VuFind/Auth/ChoiceAuth.php b/module/VuFind/src/VuFind/Auth/ChoiceAuth.php
index 40d074f68bc..06d9df6e8c4 100644
--- a/module/VuFind/src/VuFind/Auth/ChoiceAuth.php
+++ b/module/VuFind/src/VuFind/Auth/ChoiceAuth.php
@@ -312,7 +312,7 @@ public function supportsPasswordRecovery()
      */
     public function getUsernamePolicy()
     {
-        return $this->proxyAuthMethod('getUsernamePolicy', func_get_args());
+        return $this->proxyAuthMethod('getUsernamePolicy', func_get_args()) ?: [];
     }
 
     /**
@@ -322,7 +322,7 @@ public function getUsernamePolicy()
      */
     public function getPasswordPolicy()
     {
-        return $this->proxyAuthMethod('getPasswordPolicy', func_get_args());
+        return $this->proxyAuthMethod('getPasswordPolicy', func_get_args()) ?: [];
     }
 
     /**