diff --git a/src/android/CHIPTool/app/src/main/java/com/google/chip/chiptool/provisioning/DeviceProvisioningFragment.kt b/src/android/CHIPTool/app/src/main/java/com/google/chip/chiptool/provisioning/DeviceProvisioningFragment.kt
index 298e17b4d62dac..e17f1694c99086 100644
--- a/src/android/CHIPTool/app/src/main/java/com/google/chip/chiptool/provisioning/DeviceProvisioningFragment.kt
+++ b/src/android/CHIPTool/app/src/main/java/com/google/chip/chiptool/provisioning/DeviceProvisioningFragment.kt
@@ -122,7 +122,7 @@ class DeviceProvisioningFragment : Fragment() {
       deviceController.setCompletionListener(ConnectionCallback())
 
       val deviceId = DeviceIdUtil.getNextAvailableId(requireContext())
-      var connId = bluetoothManager.connectionId
+      val connId = bluetoothManager.connectionId
       deviceController.pairDevice(gatt, connId, deviceId, deviceInfo.setupPinCode)
       DeviceIdUtil.setNextAvailableId(requireContext(), deviceId + 1)
     }