diff --git a/src/test/java/de/ozgcloud/admin/settings/postfach/PostfachITCase.java b/src/test/java/de/ozgcloud/admin/settings/postfach/PostfachITCase.java
index a4e9666af4f7658c118208824866df1d50b53d35..350567a197b1ffad57b4e3661773a918028341e7 100644
--- a/src/test/java/de/ozgcloud/admin/settings/postfach/PostfachITCase.java
+++ b/src/test/java/de/ozgcloud/admin/settings/postfach/PostfachITCase.java
@@ -236,6 +236,7 @@ class PostfachITCase {
 
 		@BeforeEach
 		void init() {
+			mongoOperations.dropCollection(Settings.class);
 			id = mongoOperations.save(settingsWithPostfach).getId();
 		}