diff --git a/src/Doctrine/EventListener/PublishMercureUpdatesListener.php b/src/Doctrine/EventListener/PublishMercureUpdatesListener.php
index b6182ef29a..7ced9f2a1e 100644
--- a/src/Doctrine/EventListener/PublishMercureUpdatesListener.php
+++ b/src/Doctrine/EventListener/PublishMercureUpdatesListener.php
@@ -85,7 +85,7 @@ public function __construct(LegacyResourceClassResolverInterface|ResourceClassRe
             $this->expressionLanguage->addFunction($rawurlencode);
 
             $this->expressionLanguage->addFunction(
-                new ExpressionFunction('getOperation', static fn (string $apiResource, string $name): string => sprintf('getOperation(%s, %s)', $apiResource, $name), static fn (array $arguments, $apiResource, string $name): Operation => $resourceMetadataFactory->create($resourceClassResolver->getResourceClass($apiResource))->getOperation($name))
+                new ExpressionFunction('get_operation', static fn (string $apiResource, string $name): string => sprintf('getOperation(%s, %s)', $apiResource, $name), static fn (array $arguments, $apiResource, string $name): Operation => $resourceMetadataFactory->create($resourceClassResolver->getResourceClass($apiResource))->getOperation($name))
             );
             $this->expressionLanguage->addFunction(
                 new ExpressionFunction('iri', static fn (string $apiResource, int $referenceType = UrlGeneratorInterface::ABS_URL, ?string $operation = null): string => sprintf('iri(%s, %d, %s)', $apiResource, $referenceType, $operation), static fn (array $arguments, $apiResource, int $referenceType = UrlGeneratorInterface::ABS_URL, $operation = null): string => $iriConverter->getIriFromResource($apiResource, $referenceType, $operation))