diff --git a/app/Tasks/Irrdb/UpdatePrefixDb.php b/app/Tasks/Irrdb/UpdatePrefixDb.php
index b17c02836..c7deac789 100644
--- a/app/Tasks/Irrdb/UpdatePrefixDb.php
+++ b/app/Tasks/Irrdb/UpdatePrefixDb.php
@@ -49,7 +49,7 @@ class UpdatePrefixDb extends UpdateDb
     public function update(): array {
 
         foreach( $this->protocols() as $protocol ) {
-            if( $this->customer()->isRouteServerClient( $protocol ) && $this->customer()->isIrrdbFiltered() ) {
+            if( $this->customer()->isRouteServerClient( $protocol ) && $this->customer()->isIrrdbFiltered() && $this->customer()->getIRRDB() ) {
                 $this->bgpq3()->setSources( $this->customer()->getIRRDB()->getSource() );
 
                 $this->startTimer();