diff --git a/src/acdhOeaw/arche/lib/disserv/dissemination/ServiceTrait.php b/src/acdhOeaw/arche/lib/disserv/dissemination/ServiceTrait.php
index bb5d85b..99da478 100644
--- a/src/acdhOeaw/arche/lib/disserv/dissemination/ServiceTrait.php
+++ b/src/acdhOeaw/arche/lib/disserv/dissemination/ServiceTrait.php
@@ -245,8 +245,8 @@ public function getLocation(): string {
      */
     public function getRevProxy(): bool {
         $meta  = $this->getMetadata();
-        $value = $meta->getObject(new PT($this->getRepo()->getSchema()->dissService->revProxy))?->getValue() ?? false;
-        return (bool) $value;
+        $value = $meta->getObject(new PT($this->getRepo()->getSchema()->dissService->revProxy))?->getValue() ?? 'false';
+        return $value === 'true';
     }
 
     /**