diff --git a/pulsar-broker/src/test/java/org/apache/pulsar/broker/systopic/NamespaceEventsSystemTopicServiceTest.java b/pulsar-broker/src/test/java/org/apache/pulsar/broker/systopic/NamespaceEventsSystemTopicServiceTest.java
index 58eb70fb4c794..91db232d2aa4e 100644
--- a/pulsar-broker/src/test/java/org/apache/pulsar/broker/systopic/NamespaceEventsSystemTopicServiceTest.java
+++ b/pulsar-broker/src/test/java/org/apache/pulsar/broker/systopic/NamespaceEventsSystemTopicServiceTest.java
@@ -18,12 +18,15 @@
  */
 package org.apache.pulsar.broker.systopic;
 
+import static org.mockito.Mockito.mock;
 import com.google.common.collect.Sets;
 import java.util.HashSet;
 import lombok.Cleanup;
+import org.apache.bookkeeper.mledger.ManagedLedger;
 import org.apache.pulsar.broker.auth.MockedPulsarServiceBaseTest;
 import org.apache.pulsar.broker.service.BrokerService;
 import org.apache.pulsar.broker.service.persistent.PersistentTopic;
+import org.apache.pulsar.broker.service.persistent.SystemTopic;
 import org.apache.pulsar.client.admin.PulsarAdminException;
 import org.apache.pulsar.client.api.Message;
 import org.apache.pulsar.client.api.MessageId;
@@ -90,6 +93,16 @@ public void testSchemaCompatibility() throws Exception {
         Assert.assertEquals(SchemaCompatibilityStrategy.ALWAYS_COMPATIBLE, topic.getSchemaCompatibilityStrategy());
     }
 
+    @Test
+    public void testSystemTopicSchemaCompatibility() throws Exception {
+        TopicPoliciesSystemTopicClient systemTopicClientForNamespace1 = systemTopicFactory
+                .createTopicPoliciesSystemTopicClient(NamespaceName.get(NAMESPACE1));
+        String topicName = systemTopicClientForNamespace1.getTopicName().toString();
+        SystemTopic topic = new SystemTopic(topicName, mock(ManagedLedger.class), pulsar.getBrokerService());
+
+        Assert.assertEquals(SchemaCompatibilityStrategy.ALWAYS_COMPATIBLE, topic.getSchemaCompatibilityStrategy());
+    }
+
     @Test
     public void testSendAndReceiveNamespaceEvents() throws Exception {
         TopicPoliciesSystemTopicClient systemTopicClientForNamespace1 = systemTopicFactory