diff --git a/common/src/test/java/de/ozgcloud/eingang/common/formdata/FormDataTestFactory.java b/common/src/test/java/de/ozgcloud/eingang/common/formdata/FormDataTestFactory.java
index f051953be4c4f0639765059ab839c37b6d597751..8d23e2cb03b702eb1fb9fc3869e5eb750f72cd84 100644
--- a/common/src/test/java/de/ozgcloud/eingang/common/formdata/FormDataTestFactory.java
+++ b/common/src/test/java/de/ozgcloud/eingang/common/formdata/FormDataTestFactory.java
@@ -61,7 +61,7 @@ public class FormDataTestFactory {
 		return FormData.builder()
 				.header(FormHeaderTestFactory.create())
 				.antragsteller(AntragstellerTestFactory.create())
-				.zustaendigeStelles(List.of(ZustaendigeStelleTestFactory.create()))
+				.zustaendigeStelle(ZustaendigeStelleTestFactory.create())
 				.formData(Map.of(
 						SIMPLE_VALUE_KEY, SIMPLE_VALUE,
 						SUBFORM_KEY, SUBFORM_VALUE,