diff --git a/src/test/java/de/bund/digitalservice/a2j/integration/ReceiverIntegrationTest.java b/src/test/java/de/bund/digitalservice/a2j/integration/ReceiverIntegrationTest.java
index d455a3c..1c24688 100644
--- a/src/test/java/de/bund/digitalservice/a2j/integration/ReceiverIntegrationTest.java
+++ b/src/test/java/de/bund/digitalservice/a2j/integration/ReceiverIntegrationTest.java
@@ -2,6 +2,8 @@
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
@@ -89,5 +91,6 @@ void shouldSecureCallbackWithoutAuthorization() {
             String.class);
 
     assertEquals(HttpStatus.UNAUTHORIZED.value(), response.getStatusCode().value());
+    verify(subscriberClient, never()).requestSubmission(any(SubmissionForPickup.class));
   }
 }