diff --git a/services/core/java/com/android/server/notification/ZenModeHelper.java b/services/core/java/com/android/server/notification/ZenModeHelper.java
index 5e62496..9fd4801 100644
--- a/services/core/java/com/android/server/notification/ZenModeHelper.java
+++ b/services/core/java/com/android/server/notification/ZenModeHelper.java
@@ -310,7 +310,7 @@
 
     public String addAutomaticZenRule(String pkg, AutomaticZenRule automaticZenRule,
             String reason) {
-        if (!isSystemRule(automaticZenRule)) {
+        if (!ZenModeConfig.SYSTEM_AUTHORITY.equals(pkg)) {
             PackageItemInfo component = getServiceInfo(automaticZenRule.getOwner());
             if (component == null) {
                 component = getActivityInfo(automaticZenRule.getConfigurationActivity());
@@ -566,11 +566,6 @@
         }
     }
 
-    private boolean isSystemRule(AutomaticZenRule rule) {
-        return rule.getOwner() != null
-                && ZenModeConfig.SYSTEM_AUTHORITY.equals(rule.getOwner().getPackageName());
-    }
-
     private ServiceInfo getServiceInfo(ComponentName owner) {
         Intent queryIntent = new Intent();
         queryIntent.setComponent(owner);
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/ZenModeHelperTest.java b/services/tests/uiservicestests/src/com/android/server/notification/ZenModeHelperTest.java
index c0fb39c4..5c2730f 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/ZenModeHelperTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/ZenModeHelperTest.java
@@ -1668,6 +1668,36 @@
     }
 
     @Test
+    public void testAddAutomaticZenRule_claimedSystemOwner() {
+        // Make sure anything that claims to have a "system" owner but not actually part of the
+        // system package still gets limited on number of rules
+        for (int i = 0; i < RULE_LIMIT_PER_PACKAGE; i++) {
+            ScheduleInfo si = new ScheduleInfo();
+            si.startHour = i;
+            AutomaticZenRule zenRule = new AutomaticZenRule("name" + i,
+                    new ComponentName("android", "ScheduleConditionProvider" + i),
+                    null, // configuration activity
+                    ZenModeConfig.toScheduleConditionId(si),
+                    new ZenPolicy.Builder().build(),
+                    NotificationManager.INTERRUPTION_FILTER_PRIORITY, true);
+            String id = mZenModeHelperSpy.addAutomaticZenRule("pkgname", zenRule, "test");
+            assertNotNull(id);
+        }
+        try {
+            AutomaticZenRule zenRule = new AutomaticZenRule("name",
+                    new ComponentName("android", "ScheduleConditionProviderFinal"),
+                    null, // configuration activity
+                    ZenModeConfig.toScheduleConditionId(new ScheduleInfo()),
+                    new ZenPolicy.Builder().build(),
+                    NotificationManager.INTERRUPTION_FILTER_PRIORITY, true);
+            String id = mZenModeHelperSpy.addAutomaticZenRule("pkgname", zenRule, "test");
+            fail("allowed too many rules to be created");
+        } catch (IllegalArgumentException e) {
+            // yay
+        }
+    }
+
+    @Test
     public void testAddAutomaticZenRule_CA() {
         AutomaticZenRule zenRule = new AutomaticZenRule("name",
                 null,