diff --git a/src/main/kotlin/com/aitrainer/api/controller/CustomerController.kt b/src/main/kotlin/com/aitrainer/api/controller/CustomerController.kt
index e2f89f2..d70b93a 100644
--- a/src/main/kotlin/com/aitrainer/api/controller/CustomerController.kt
+++ b/src/main/kotlin/com/aitrainer/api/controller/CustomerController.kt
@@ -90,7 +90,7 @@ class CustomerController ( private val customerRepository: CustomerRepository) {
         val returnCustomer: Customer = customerRepository.findById(customerId).orElse(null)
             ?: return ResponseEntity.notFound().build()
 
-        returnCustomer.active = "N"
+        returnCustomer.active = "D"
         return ResponseEntity.ok().body(customerRepository.save(returnCustomer))
     }
 
diff --git a/src/test/kotlin/com/aitrainer/api/test/CustomerTests.kt b/src/test/kotlin/com/aitrainer/api/test/CustomerTests.kt
index f9715c0..18553ad 100644
--- a/src/test/kotlin/com/aitrainer/api/test/CustomerTests.kt
+++ b/src/test/kotlin/com/aitrainer/api/test/CustomerTests.kt
@@ -101,7 +101,7 @@ class CustomerTests {
         controller.deactivateCustomer(id)
 
         val customer: Customer = customerRepository.findById(id).orElse(null)
-        assertEquals(customer.active, "N")
+        assertEquals(customer.active, "D")
 
         customer.active = "Y"
         customerRepository.save(customer)