diff --git a/src/main/java/com/ffii/tsms/modules/data/service/CustomerSubsidiaryService.kt b/src/main/java/com/ffii/tsms/modules/data/service/CustomerSubsidiaryService.kt
index 9309c46..1020b7f 100644
--- a/src/main/java/com/ffii/tsms/modules/data/service/CustomerSubsidiaryService.kt
+++ b/src/main/java/com/ffii/tsms/modules/data/service/CustomerSubsidiaryService.kt
@@ -80,7 +80,7 @@ class CustomerSubsidiaryService(
         val customerIdsSize = saveCustomerIds.size
 
         for (i in 0 until customerIdsSize) {
-            val checkExist = findByCustomerIdAndSubsidiaryId(saveSubsidiaryId, saveCustomerIds[i])
+            val checkExist = findByCustomerIdAndSubsidiaryId(saveCustomerIds[i], saveSubsidiaryId)
 
             if (checkExist == null) {
                 val customer = customerRepository.findById(saveCustomerIds[i]).orElseThrow()