diff --git a/formcycle-adapter/formcycle-adapter-impl/src/main/java/de/itvsh/kop/eingang/formcycle/FormDataController.java b/formcycle-adapter/formcycle-adapter-impl/src/main/java/de/itvsh/kop/eingang/formcycle/FormDataController.java
index 9c414c51988a8b588367420fc17e0b386a45f06d..1702267a0ca19cf37ef769e1d6c2a41394bbe643 100644
--- a/formcycle-adapter/formcycle-adapter-impl/src/main/java/de/itvsh/kop/eingang/formcycle/FormDataController.java
+++ b/formcycle-adapter/formcycle-adapter-impl/src/main/java/de/itvsh/kop/eingang/formcycle/FormDataController.java
@@ -76,10 +76,16 @@ class FormDataController {
 		mappedFormData = addRepresentations(representations, mappedFormData);
 		mappedFormData = addFiles(formData, attachments, mappedFormData);
 		mappedFormData = addServiceKonto(formData, mappedFormData);
+		mappedFormData = addVorgangNummer(mappedFormData);
 
 		semantikAdapter.processFormData(mappedFormData);
 
-		return FormCycleConfirmationResponse.newBuilder().setVorgangNummer(vorgangNummerSupplier.get()).build();
+		return FormCycleConfirmationResponse.newBuilder().setVorgangNummer(mappedFormData.getHeader().getRequestId()).build();
+	}
+
+	private FormData addVorgangNummer(FormData mappedFormData) {
+		var formDataHeader = mappedFormData.getHeader().toBuilder().requestId(vorgangNummerSupplier.get()).build();
+		return mappedFormData.toBuilder().header(formDataHeader).build();
 	}
 
 	private FormData addRepresentations(Optional<Collection<MultipartFile>> files, FormData mappedFormData) {
diff --git a/formcycle-adapter/formcycle-adapter-impl/src/test/java/de/itvsh/kop/eingang/formcycle/FormDataControllerTest.java b/formcycle-adapter/formcycle-adapter-impl/src/test/java/de/itvsh/kop/eingang/formcycle/FormDataControllerTest.java
index 9731385a03eb028748073092e9700af87d0f06a3..4c496eb5cd37d49195bfda49d00a24a09c00a1f2 100644
--- a/formcycle-adapter/formcycle-adapter-impl/src/test/java/de/itvsh/kop/eingang/formcycle/FormDataControllerTest.java
+++ b/formcycle-adapter/formcycle-adapter-impl/src/test/java/de/itvsh/kop/eingang/formcycle/FormDataControllerTest.java
@@ -119,6 +119,14 @@ class FormDataControllerTest {
 			assertThat(confirmation.getVorgangNummer()).isEqualTo(VORGANG_NUMMER);
 		}
 
+		@Test
+		void shouldSetVorgangNummer() {
+			doPostRequest();
+
+			verify(semantikAdapter).processFormData(formDataCaptor.capture());
+			assertThat(formDataCaptor.getValue().getHeader().getRequestId()).isEqualTo(VORGANG_NUMMER);
+		}
+
 		@Test
 		void shouldCallMapper() {
 			doPostRequest();
@@ -131,7 +139,7 @@ class FormDataControllerTest {
 			doPostRequest();
 
 			verify(semantikAdapter).processFormData(formDataCaptor.capture());
-			assertThat(formDataCaptor.getValue()).usingRecursiveComparison().ignoringFields("representations", "attachments", "numberOfAttachments")
+			assertThat(formDataCaptor.getValue()).usingRecursiveComparison().ignoringFields("representations", "attachments", "numberOfAttachments", "header.requestId")
 					.isEqualTo(mappedFormData);
 		}