diff --git a/readme.MD b/readme.MD
index b60d9de..bedc7e1 100644
--- a/readme.MD
+++ b/readme.MD
@@ -1,4 +1,4 @@
-#aitrainer server API v1.0.54
+#aitrainer server API v1.0.57
 
 connects the MYSQL Database
 provide a RESTful API for the mobile app
@@ -25,5 +25,6 @@ provide a RESTful API for the mobile app
 * exercise_device
 * exercise_device_translation
 * exercise_type_device
+* deactivate customer
 
 with automatic database update
diff --git a/src/main/kotlin/com/aitrainer/api/controller/CustomerPackageController.kt b/src/main/kotlin/com/aitrainer/api/controller/CustomerPackageController.kt
index da0e6a3..f546aba 100644
--- a/src/main/kotlin/com/aitrainer/api/controller/CustomerPackageController.kt
+++ b/src/main/kotlin/com/aitrainer/api/controller/CustomerPackageController.kt
@@ -33,8 +33,9 @@ class CustomerPackageController( private val customerRepository: CustomerReposit
             .setPrettyPrinting()
             .create()
 
-        val customer: Customer = customerRepository.findById(customerId).orElse(null)
+        val customer: Customer = customerRepository.findByCustomerIdAndActive(customerId, "Y")
             ?: return ResponseEntity.notFound().build()
+
         val customerJson: String = gson.toJson(customer)
 
         val listCustomerExerciseDevices = customerExerciseDeviceRepository.findByCustomerId(customerId)
diff --git a/src/main/kotlin/com/aitrainer/api/repository/CustomerRepository.kt b/src/main/kotlin/com/aitrainer/api/repository/CustomerRepository.kt
index 29e6873..8bc49b0 100644
--- a/src/main/kotlin/com/aitrainer/api/repository/CustomerRepository.kt
+++ b/src/main/kotlin/com/aitrainer/api/repository/CustomerRepository.kt
@@ -14,4 +14,6 @@ interface CustomerRepository : JpaRepository<Customer, Long> {
     fun findByTrainerId( trainerId: Long ): List<Customer>
 
     fun findByFirebaseUid(firebaseUid: String?): Customer?
+
+    fun findByCustomerIdAndActive(customerId: Long, active: String): Customer?
 }
diff --git a/src/main/kotlin/com/aitrainer/api/service/CustomerService.kt b/src/main/kotlin/com/aitrainer/api/service/CustomerService.kt
index bfebd01..cdfcbae 100644
--- a/src/main/kotlin/com/aitrainer/api/service/CustomerService.kt
+++ b/src/main/kotlin/com/aitrainer/api/service/CustomerService.kt
@@ -7,4 +7,7 @@ import org.springframework.data.repository.query.Param
 interface CustomerService {
     @Query("FROM customer WHERE active = :active ")
     fun findByActive(@Param("active") active: String? ): List<Customer>
+
+    @Query("FROM customer WHERE active = :active AND id = :customerId")
+    fun findByCustomerIdAndActive(@Param("customerId") customerId: Long?, @Param("active") active: String? ): Customer
 }
\ No newline at end of file
diff --git a/src/test/kotlin/com/aitrainer/api/test/AppCustomerPackageTest.kt b/src/test/kotlin/com/aitrainer/api/test/AppCustomerPackageTest.kt
index 6a6f96c..4552516 100644
--- a/src/test/kotlin/com/aitrainer/api/test/AppCustomerPackageTest.kt
+++ b/src/test/kotlin/com/aitrainer/api/test/AppCustomerPackageTest.kt
@@ -132,6 +132,10 @@ class AppCustomerPackageTest {
             }
         }
 
+        // deactivated customer
+        response = controller.getCustomerPackageData(1)
+        assertEquals(response.statusCode, HttpStatus.NOT_FOUND)
+
     }
 
 }
\ No newline at end of file