diff --git a/src/com/android/settings/network/telephony/NetworkSelectSettings.java b/src/com/android/settings/network/telephony/NetworkSelectSettings.java
index a16f4b5d2d7..a3485cd6c3a 100644
--- a/src/com/android/settings/network/telephony/NetworkSelectSettings.java
+++ b/src/com/android/settings/network/telephony/NetworkSelectSettings.java
@@ -368,6 +368,11 @@ public class NetworkSelectSettings extends DashboardFragment {
 
     @VisibleForTesting
     protected void scanResultHandler(NetworkScanRepository.NetworkScanResult results) {
+        if (isFinishingOrDestroyed()) {
+            Log.d(TAG, "scanResultHandler: activity isFinishingOrDestroyed, directly return");
+            return;
+        }
+
         mCellInfoList = filterOutSatellitePlmn(results.getCellInfos());
         Log.d(TAG, "CellInfoList: " + CellInfoUtil.cellInfoListToString(mCellInfoList));
         updateAllPreferenceCategory();