diff --git a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
index 67cd7c32483bc..0c5d293586dcd 100644
--- a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
+++ b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
@@ -2747,7 +2747,7 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
         final String[] packages = mContext.getPackageManager().getPackagesForUid(uid);
         final int userId = UserHandle.getUserId(uid);
 
-        if (!ArrayUtils.isEmpty(packages)) {
+        if (packages != null) {
             for (String packageName : packages) {
                 if (!mUsageStats.isAppIdle(packageName, uid, userId)) {
                     return false;