diff --git a/bpdm-pool/src/main/kotlin/org/eclipse/tractusx/bpdm/pool/component/opensearch/impl/service/DocumentMappingService.kt b/bpdm-pool/src/main/kotlin/org/eclipse/tractusx/bpdm/pool/component/opensearch/impl/service/DocumentMappingService.kt
index 76ebad758..0e81d565d 100644
--- a/bpdm-pool/src/main/kotlin/org/eclipse/tractusx/bpdm/pool/component/opensearch/impl/service/DocumentMappingService.kt
+++ b/bpdm-pool/src/main/kotlin/org/eclipse/tractusx/bpdm/pool/component/opensearch/impl/service/DocumentMappingService.kt
@@ -104,7 +104,7 @@ class DocumentMappingService {
 
     fun toAddressDoc(address: AlternativePostalAddress): AddressDoc {
         return AddressDoc(
-            administrativeAreas = setOf(TextDoc(address.administrativeAreaLevel2.toString())),
+            administrativeAreas = setOf(TextDoc(address.administrativeAreaLevel1.toString())),
             postCodes = setOf(TextDoc(address.postCode.toString())),
             localities = setOf(TextDoc("")),
             thoroughfares = setOf(TextDoc("")),