diff --git a/enterprise-adapter/src/test/java/de/ozgcloud/eingang/enterprise/entry/EnterpriseEntryITCase.java b/enterprise-adapter/src/test/java/de/ozgcloud/eingang/enterprise/entry/EnterpriseEntryITCase.java
index 7d90ccc779b105a4667b1ad1f568fa83d98d2baa..2982a7a881fd716d3c7dec518a6053786bbf00d8 100644
--- a/enterprise-adapter/src/test/java/de/ozgcloud/eingang/enterprise/entry/EnterpriseEntryITCase.java
+++ b/enterprise-adapter/src/test/java/de/ozgcloud/eingang/enterprise/entry/EnterpriseEntryITCase.java
@@ -6,8 +6,6 @@ import static org.mockito.Mockito.*;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
 
-import java.util.List;
-
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Nested;
@@ -44,11 +42,11 @@ class EnterpriseEntryITCase {
 
 	@Test
 	void shouldCallVorgangService() {
-		when(vorgangService.createVorgangs(any())).thenReturn(List.of(VORGANG_ID));
+		when(vorgangService.createVorgang(any())).thenReturn(VORGANG_ID);
 
 		doPostRequest();
 
-		verify(vorgangService).createVorgangs(any());
+		verify(vorgangService).createVorgang(any());
 	}
 
 	@SneakyThrows
@@ -67,7 +65,7 @@ class EnterpriseEntryITCase {
 
 		@BeforeEach
 		void mock() {
-			when(vorgangService.createVorgangs(any())).thenReturn(List.of(VORGANG_ID));
+			when(vorgangService.createVorgang(any())).thenReturn(VORGANG_ID);
 		}
 
 		@Test
@@ -115,7 +113,7 @@ class EnterpriseEntryITCase {
 					.file(buildJsonFileMock("representation", "jugendsozialarbeit_an_schulen-DM.json")))
 					.andExpect(status().is2xxSuccessful());
 
-			verify(vorgangService).createVorgangs(formDataCaptor.capture());
+			verify(vorgangService).createVorgang(formDataCaptor.capture());
 			return formDataCaptor.getValue();
 		}