diff --git a/pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java b/pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java
index 8f6191938ed7b..2cb8495034bd7 100644
--- a/pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java
+++ b/pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java
@@ -2234,7 +2234,7 @@ protected void internalCreateSubscription(AsyncResponse asyncResponse, String su
                             getPartitionedTopicMetadataAsync(topicName, authoritative, allowAutoTopicCreation))
                     .thenAccept(partitionMetadata -> {
                     final int numPartitions = partitionMetadata.partitions;
-                    if (numPartitions > 0) {
+                    if (partitionMetadata.partitions > 0 && !isUnexpectedTopicName(partitionMetadata)) {
                         final CompletableFuture<Void> future = new CompletableFuture<>();
                         final AtomicInteger count = new AtomicInteger(numPartitions);
                         final AtomicInteger failureCount = new AtomicInteger(0);
diff --git a/pulsar-broker/src/test/java/org/apache/pulsar/client/api/TopicNameForInfiniteHttpCallGetSubscriptionsTest.java b/pulsar-broker/src/test/java/org/apache/pulsar/client/api/TopicNameForInfiniteHttpCallGetSubscriptionsTest.java
index 3b1222f5b552b..a295a48b4fded 100644
--- a/pulsar-broker/src/test/java/org/apache/pulsar/client/api/TopicNameForInfiniteHttpCallGetSubscriptionsTest.java
+++ b/pulsar-broker/src/test/java/org/apache/pulsar/client/api/TopicNameForInfiniteHttpCallGetSubscriptionsTest.java
@@ -53,7 +53,7 @@ protected void cleanup() throws Exception {
     }
 
     @Test
-    public void testInfiniteHttpCallGetSubscriptions() throws Exception {
+    public void testInfiniteHttpCallGetOrCreateSubscriptions() throws Exception {
         final String randomStr = UUID.randomUUID().toString().replaceAll("-", "");
         final String partitionedTopicName = "persistent://my-property/my-ns/tp1_" + randomStr;
         final String topic_p0 = partitionedTopicName + TopicName.PARTITIONED_TOPIC_SUFFIX + "0";
@@ -65,6 +65,7 @@ public void testInfiniteHttpCallGetSubscriptions() throws Exception {
         // Do test.
         ProducerAndConsumerEntry pcEntry = triggerDLQCreated(topic_p0, topicDLQ, subscriptionName);
         admin.topics().getSubscriptions(topicDLQ);
+        admin.topics().createSubscription(topicDLQ, "s1", MessageId.earliest);
 
         // cleanup.
         pcEntry.consumer.close();
@@ -73,7 +74,7 @@ public void testInfiniteHttpCallGetSubscriptions() throws Exception {
     }
 
     @Test
-    public void testInfiniteHttpCallGetSubscriptions2() throws Exception {
+    public void testInfiniteHttpCallGetOrCreateSubscriptions2() throws Exception {
         final String randomStr = UUID.randomUUID().toString().replaceAll("-", "");
         final String topicName = "persistent://my-property/my-ns/tp1_" + randomStr + "-partition-0-abc";
         Producer<String> producer = pulsarClient.newProducer(Schema.STRING)
@@ -82,13 +83,14 @@ public void testInfiniteHttpCallGetSubscriptions2() throws Exception {
 
         // Do test.
         admin.topics().getSubscriptions(topicName);
+        admin.topics().createSubscription(topicName, "s1", MessageId.earliest);
 
         // cleanup.
         producer.close();
     }
 
     @Test
-    public void testInfiniteHttpCallGetSubscriptions3() throws Exception {
+    public void testInfiniteHttpCallGetOrCreateSubscriptions3() throws Exception {
         final String randomStr = UUID.randomUUID().toString().replaceAll("-", "");
         final String topicName = "persistent://my-property/my-ns/tp1_" + randomStr + "-partition-0";
         Producer<String> producer = pulsarClient.newProducer(Schema.STRING)
@@ -97,6 +99,7 @@ public void testInfiniteHttpCallGetSubscriptions3() throws Exception {
 
         // Do test.
         admin.topics().getSubscriptions(topicName);
+        admin.topics().createSubscription(topicName, "s1", MessageId.earliest);
 
         // cleanup.
         producer.close();