diff --git a/application/src/main/java/org/thingsboard/server/service/transport/DefaultTransportApiService.java b/application/src/main/java/org/thingsboard/server/service/transport/DefaultTransportApiService.java
index 8977f4023a..b617a4931f 100644
--- a/application/src/main/java/org/thingsboard/server/service/transport/DefaultTransportApiService.java
+++ b/application/src/main/java/org/thingsboard/server/service/transport/DefaultTransportApiService.java
@@ -141,6 +141,7 @@ public class DefaultTransportApiService implements TransportApiService {
     private final OtaPackageService otaPackageService;
     private final OtaPackageDataCache otaPackageDataCache;
     private final QueueService queueService;
+    public static final String GATEWAY_CREATED_RELATION = "Created";
 
     private final ConcurrentMap<String, ReentrantLock> deviceCreationLocks = new ConcurrentReferenceHashMap<>(16, ConcurrentReferenceHashMap.ReferenceType.WEAK);
 
@@ -400,7 +401,7 @@ public class DefaultTransportApiService implements TransportApiService {
                     gateway.getTenantId(),
                     gateway.getId(),
                     existingDevice.getId(),
-                    EntityRelation.CONTAINS_TYPE,
+                    GATEWAY_CREATED_RELATION,
                     RelationTypeGroup.COMMON
             );
         } catch (Exception e) {
@@ -462,7 +463,7 @@ public class DefaultTransportApiService implements TransportApiService {
         device = deviceService.saveDevice(device);
         relationService.saveRelation(
                 tenantId,
-                new EntityRelation(gateway.getId(), device.getId(), EntityRelation.CONTAINS_TYPE)
+                new EntityRelation(gateway.getId(), device.getId(), GATEWAY_CREATED_RELATION)
         );
         return device;
     }
diff --git a/application/src/test/java/org/thingsboard/server/transport/mqtt/sparkplug/AbstractMqttV5ClientSparkplugTest.java b/application/src/test/java/org/thingsboard/server/transport/mqtt/sparkplug/AbstractMqttV5ClientSparkplugTest.java
index b318e550d1..68237a1839 100644
--- a/application/src/test/java/org/thingsboard/server/transport/mqtt/sparkplug/AbstractMqttV5ClientSparkplugTest.java
+++ b/application/src/test/java/org/thingsboard/server/transport/mqtt/sparkplug/AbstractMqttV5ClientSparkplugTest.java
@@ -65,6 +65,7 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 import static org.thingsboard.common.util.JacksonUtil.newArrayNode;
+import static org.thingsboard.server.service.transport.DefaultTransportApiService.GATEWAY_CREATED_RELATION;
 import static org.thingsboard.server.transport.mqtt.util.sparkplug.MetricDataType.Bytes;
 import static org.thingsboard.server.transport.mqtt.util.sparkplug.MetricDataType.Int16;
 import static org.thingsboard.server.transport.mqtt.util.sparkplug.MetricDataType.Int32;
@@ -128,8 +129,7 @@ public abstract class AbstractMqttV5ClientSparkplugTest extends AbstractMqttInte
         Device device1 = createDevice(deviceName1, deviceProfile.getName(), false);
 
         // 2. Establish 'Created' relation so the transport identifies this gateway as the owner
-        String relationType = "Created";
-        EntityRelation relation1 = createFromRelation(savedGateway, device1, relationType);
+        EntityRelation relation1 = createFromRelation(savedGateway, device1, GATEWAY_CREATED_RELATION);
         doPost("/api/relation", relation1).andExpect(status().isOk());
 
         // 3. Create the second device with a full-path name
@@ -137,7 +137,7 @@ public abstract class AbstractMqttV5ClientSparkplugTest extends AbstractMqttInte
         Device device2 = createDevice(deviceName2, deviceProfile.getName(), false);
 
         // 4. Establish 'Created' relation for the second device as well
-        EntityRelation relation2 = createFromRelation(savedGateway, device2, relationType);
+        EntityRelation relation2 = createFromRelation(savedGateway, device2, GATEWAY_CREATED_RELATION);
         doPost("/api/relation", relation2).andExpect(status().isOk());
 
     }