diff --git a/android/src/main/java/com/dumon/plugin/geolocation/fusion/SensorFusionManager.kt b/android/src/main/java/com/dumon/plugin/geolocation/fusion/SensorFusionManager.kt
index 6f580d2..08a8d68 100644
--- a/android/src/main/java/com/dumon/plugin/geolocation/fusion/SensorFusionManager.kt
+++ b/android/src/main/java/com/dumon/plugin/geolocation/fusion/SensorFusionManager.kt
@@ -1,6 +1,7 @@
 package com.dumon.plugin.geolocation.fusion
 
 import android.util.Log
+import kotlin.math.*
 
 class SensorFusionManager(
     private val onFusedPositionUpdate: (Double, Double) -> Unit = { _, _ -> }