diff --git a/vorgang-manager-server/src/main/java/de/ozgcloud/vorgang/vorgang/VorgangStubMapper.java b/vorgang-manager-server/src/main/java/de/ozgcloud/vorgang/vorgang/VorgangStubMapper.java
index 741c8288296a85af7895aec113add813e6a2d47a..d3ce17c2ff0c97eedaf6ad0a2d97f00dbf754bca 100644
--- a/vorgang-manager-server/src/main/java/de/ozgcloud/vorgang/vorgang/VorgangStubMapper.java
+++ b/vorgang-manager-server/src/main/java/de/ozgcloud/vorgang/vorgang/VorgangStubMapper.java
@@ -27,8 +27,10 @@ import java.util.Optional;
 
 import org.mapstruct.Mapper;
 import org.mapstruct.Mapping;
+import org.mapstruct.NullValueCheckStrategy;
+import org.mapstruct.NullValuePropertyMappingStrategy;
 
-@Mapper
+@Mapper(nullValuePropertyMappingStrategy = NullValuePropertyMappingStrategy.IGNORE, nullValueCheckStrategy = NullValueCheckStrategy.ALWAYS)
 interface VorgangStubMapper {
 
 	@Mapping(target = "deletedAt", ignore = true)