diff --git a/vorgang-manager-server/src/main/java/de/ozgcloud/vorgang/vorgang/redirect/ForwardingRequestMapper.java b/vorgang-manager-server/src/main/java/de/ozgcloud/vorgang/vorgang/redirect/ForwardingRequestMapper.java
index 9f6301389d62748e44ba906655d9e3670487e1f5..e47ae180e85e18dc7466278b994f02f1886ce28b 100644
--- a/vorgang-manager-server/src/main/java/de/ozgcloud/vorgang/vorgang/redirect/ForwardingRequestMapper.java
+++ b/vorgang-manager-server/src/main/java/de/ozgcloud/vorgang/vorgang/redirect/ForwardingRequestMapper.java
@@ -34,18 +34,27 @@ import de.ozgcloud.command.Command;
 @Mapper(imports = MapUtils.class)
 interface ForwardingRequestMapper {
 
+	interface CommandBodyFields {
+		String ORGANISATION_EINHEIT_ID = "organisationEinheitId";
+		String NAME = "name";
+		String STRASSE = "strasse";
+		String HAUSNUMMER = "hausnummer";
+		String PLZ = "plz";
+		String ORT = "ort";
+	}
+	
 	@Mapping(target = "version", source = "relationVersion")
 	@Mapping(target = "organisationEinheit", source = "bodyObject")
 	ForwardingRequest fromCommand(Command command);
 
-	@Mapping(target = "id", expression = "java(MapUtils.getString(body, \"organisationEinheitId\"))")
-	@Mapping(target = "name", expression = "java(MapUtils.getString(body, \"name\"))")
+	@Mapping(target = "id", expression = "java(MapUtils.getString(body, CommandBodyFields.ORGANISATION_EINHEIT_ID))")
+	@Mapping(target = "name", expression = "java(MapUtils.getString(body, CommandBodyFields.NAME))")
 	@Mapping(target = "address", source = ".")
 	OrganisationEinheit toOrganisationEinheit(Map<String, Object> body);
 
-	@Mapping(target = "street", expression = "java(MapUtils.getString(body, \"strasse\"))")
-	@Mapping(target = "houseNumber", expression = "java(MapUtils.getString(body, \"hausnummer\"))")
-	@Mapping(target = "zipCode", expression = "java(MapUtils.getString(body, \"plz\"))")
-	@Mapping(target = "city", expression = "java(MapUtils.getString(body, \"ort\"))")
+	@Mapping(target = "street", expression = "java(MapUtils.getString(body, CommandBodyFields.STRASSE))")
+	@Mapping(target = "houseNumber", expression = "java(MapUtils.getString(body, CommandBodyFields.HAUSNUMMER))")
+	@Mapping(target = "zipCode", expression = "java(MapUtils.getString(body, CommandBodyFields.PLZ))")
+	@Mapping(target = "city", expression = "java(MapUtils.getString(body, CommandBodyFields.ORT))")
 	Address toAddress(Map<String, Object> body);
 }
diff --git a/vorgang-manager-server/src/test/java/de/ozgcloud/vorgang/vorgang/redirect/ForwardingRequestMapperTest.java b/vorgang-manager-server/src/test/java/de/ozgcloud/vorgang/vorgang/redirect/ForwardingRequestMapperTest.java
index 8708b569dc7ec81155f2bd5d8fcefa0b572eb96e..715529e268ded4133f6e9962fada6f8ce2c8ca35 100644
--- a/vorgang-manager-server/src/test/java/de/ozgcloud/vorgang/vorgang/redirect/ForwardingRequestMapperTest.java
+++ b/vorgang-manager-server/src/test/java/de/ozgcloud/vorgang/vorgang/redirect/ForwardingRequestMapperTest.java
@@ -35,18 +35,19 @@ import org.mapstruct.factory.Mappers;
 import org.mockito.Spy;
 
 import de.ozgcloud.vorgang.command.CommandTestFactory;
+import de.ozgcloud.vorgang.vorgang.redirect.ForwardingRequestMapper.CommandBodyFields;
 
 class ForwardingRequestMapperTest {
 
 	@Spy
 	private ForwardingRequestMapper mapper = Mappers.getMapper(ForwardingRequestMapper.class);
 	private final Map<String, Object> bodyObject = Map.of(
-			"organisationEinheitId", OrganisationEinheitTestFactory.ID,
-			"name", OrganisationEinheitTestFactory.NAME,
-			"strasse", AddressTestFactory.STREET,
-			"hausnummer", AddressTestFactory.HOUSE_NUMBER,
-			"plz", AddressTestFactory.ZIP_CODE,
-			"ort", AddressTestFactory.CITY
+			CommandBodyFields.ORGANISATION_EINHEIT_ID, OrganisationEinheitTestFactory.ID,
+			CommandBodyFields.NAME, OrganisationEinheitTestFactory.NAME,
+			CommandBodyFields.STRASSE, AddressTestFactory.STREET,
+			CommandBodyFields.HAUSNUMMER, AddressTestFactory.HOUSE_NUMBER,
+			CommandBodyFields.PLZ, AddressTestFactory.ZIP_CODE,
+			CommandBodyFields.ORT, AddressTestFactory.CITY
 	);
 
 	@Nested