diff --git a/ORLib/src/main/java/io/openremote/orlib/service/ESPProvisionProvider.kt b/ORLib/src/main/java/io/openremote/orlib/service/ESPProvisionProvider.kt
index 8165309..62b8098 100644
--- a/ORLib/src/main/java/io/openremote/orlib/service/ESPProvisionProvider.kt
+++ b/ORLib/src/main/java/io/openremote/orlib/service/ESPProvisionProvider.kt
@@ -269,10 +269,10 @@ class ESPProvisionProvider(val context: Context) {
 
     // OR Configuration
 
-    fun provisionDevice(apiURL: URL = URL("http://localhost:8080/api/master"), userToken: String) {
+    fun provisionDevice(apiURL: URL = URL("http://localhost:8080/api/master"), userToken: String, realm: String = "master") {
         val deviceProvision = DeviceProvision(deviceConnection, deviceRegistry.callbackChannel)
         CoroutineScope(Dispatchers.IO).launch {
-            deviceProvision.provision(apiURL, userToken)
+            deviceProvision.provision(apiURL, userToken, realm)
         }
     }
 
@@ -324,4 +324,4 @@ enum class ESPProviderErrorCode(val code: Int) {
     TIMEOUT_ERROR(600),
 
     GENERIC_ERROR(10000);
-}
\ No newline at end of file
+}
diff --git a/ORLib/src/main/java/io/openremote/orlib/service/espprovision/DeviceConnection.kt b/ORLib/src/main/java/io/openremote/orlib/service/espprovision/DeviceConnection.kt
index 48a1bc3..db7d608 100644
--- a/ORLib/src/main/java/io/openremote/orlib/service/espprovision/DeviceConnection.kt
+++ b/ORLib/src/main/java/io/openremote/orlib/service/espprovision/DeviceConnection.kt
@@ -101,6 +101,7 @@ class DeviceConnection(val deviceRegistry: DeviceRegistry, var callbackChannel:
         mqttBrokerUrl: String,
         mqttUser: String,
         mqttPassword: String,
+        realm: String,
         assetId: String,
         properties: Map<String, String> = emptyMap()
     ) {
@@ -115,6 +116,7 @@ class DeviceConnection(val deviceRegistry: DeviceRegistry, var callbackChannel:
                 mqttBrokerUrl = mqttBrokerUrl,
                 mqttUser = mqttUser,
                 mqttPassword = mqttPassword,
+                realm = realm,
                 assetId = assetId,
                 properties = properties
             )
@@ -250,4 +252,4 @@ class DeviceConnection(val deviceRegistry: DeviceRegistry, var callbackChannel:
         CONNECTED,
         DISCONNECTED
     }
-}
\ No newline at end of file
+}
diff --git a/ORLib/src/main/java/io/openremote/orlib/service/espprovision/DeviceProvision.kt b/ORLib/src/main/java/io/openremote/orlib/service/espprovision/DeviceProvision.kt
index 66f4e42..d1e842c 100644
--- a/ORLib/src/main/java/io/openremote/orlib/service/espprovision/DeviceProvision.kt
+++ b/ORLib/src/main/java/io/openremote/orlib/service/espprovision/DeviceProvision.kt
@@ -23,7 +23,7 @@ class DeviceProvision(var deviceConnection: DeviceConnection?, var callbackChann
         deviceProvisionAPI = DeviceProvisionAPIREST()
     }
 
-    suspend fun provision(apiURL: URL, userToken: String) {
+    suspend fun provision(apiURL: URL, userToken: String, realm: String = "master") {
         if (deviceConnection == null || !deviceConnection!!.isConnected) {
             sendProvisionDeviceStatus(false, ESPProviderErrorCode.NOT_CONNECTED, "No connection established to device")
         }
@@ -41,6 +41,7 @@ class DeviceProvision(var deviceConnection: DeviceConnection?, var callbackChann
                 mqttBrokerUrl = "mqtts://${apiURL.host ?: "localhost"}:8883",
                 mqttUser = userName,
                 mqttPassword = password,
+                realm = realm,
                 assetId = result.assetId,
                 properties = result.properties
             )
@@ -116,4 +117,4 @@ class DeviceProvision(var deviceConnection: DeviceConnection?, var callbackChann
             .build()
             .generate()
     }
-}
\ No newline at end of file
+}
diff --git a/ORLib/src/main/java/io/openremote/orlib/ui/OrMainActivity.kt b/ORLib/src/main/java/io/openremote/orlib/ui/OrMainActivity.kt
index 888eed3..2df56e0 100644
--- a/ORLib/src/main/java/io/openremote/orlib/ui/OrMainActivity.kt
+++ b/ORLib/src/main/java/io/openremote/orlib/ui/OrMainActivity.kt
@@ -1047,7 +1047,7 @@ open class OrMainActivity : Activity() {
                     if (!userToken.isNullOrEmpty()) {
                         if (baseUrl != null) {
                             val realm = getESPProvisionRealm()
-                            espProvisionProvider?.provisionDevice(getESPProvisionApiURL(baseUrl!!, realm), userToken)
+                            espProvisionProvider?.provisionDevice(getESPProvisionApiURL(baseUrl!!, realm), userToken, realm)
                         } else {
                             espProvisionProvider?.provisionDevice(userToken = userToken)
                         }