diff --git a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
index ea047888caff1..d6557f6410ecc 100644
--- a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
+++ b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
@@ -5288,6 +5288,9 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
         @Override
         public void onTempPowerSaveWhitelistChange(int appId, boolean added) {
             synchronized (mUidRulesFirstLock) {
+                if (!mSystemReady) {
+                    return;
+                }
                 mLogger.tempPowerSaveWlChanged(appId, added);
                 if (added) {
                     mPowerSaveTempWhitelistAppIds.put(appId, true);