diff --git a/pulsaradmin/pkg/admin/namespace_test.go b/pulsaradmin/pkg/admin/namespace_test.go
index f934a96865..715102a9c5 100644
--- a/pulsaradmin/pkg/admin/namespace_test.go
+++ b/pulsaradmin/pkg/admin/namespace_test.go
@@ -31,6 +31,10 @@ func ptr(n int) *int {
 	return &n
 }
 
+func boolPtr(b bool) *bool {
+	return &b
+}
+
 func TestSetTopicAutoCreation(t *testing.T) {
 	config := &config.Config{}
 	admin, err := New(config)
@@ -47,7 +51,7 @@ func TestSetTopicAutoCreation(t *testing.T) {
 			name:      "Set partitioned type topic auto creation",
 			namespace: "public/default",
 			config: utils.TopicAutoCreationConfig{
-				Allow:      true,
+				Allow:      boolPtr(true),
 				Type:       utils.Partitioned,
 				Partitions: ptr(3),
 			},
@@ -57,7 +61,7 @@ func TestSetTopicAutoCreation(t *testing.T) {
 			name:      "Set partitioned type topic auto creation without partitions",
 			namespace: "public/default",
 			config: utils.TopicAutoCreationConfig{
-				Allow: true,
+				Allow: boolPtr(true),
 				Type:  utils.Partitioned,
 			},
 			errReason: "Invalid configuration for autoTopicCreationOverride. the detail is [defaultNumPartitions] " +
@@ -67,7 +71,7 @@ func TestSetTopicAutoCreation(t *testing.T) {
 			name:      "Set partitioned type topic auto creation with partitions < 1",
 			namespace: "public/default",
 			config: utils.TopicAutoCreationConfig{
-				Allow:      true,
+				Allow:      boolPtr(true),
 				Type:       utils.Partitioned,
 				Partitions: ptr(-1),
 			},
@@ -78,7 +82,7 @@ func TestSetTopicAutoCreation(t *testing.T) {
 			name:      "Set non-partitioned type topic auto creation",
 			namespace: "public/default",
 			config: utils.TopicAutoCreationConfig{
-				Allow: true,
+				Allow: boolPtr(true),
 				Type:  utils.NonPartitioned,
 			},
 			errReason: "",
@@ -87,7 +91,7 @@ func TestSetTopicAutoCreation(t *testing.T) {
 			name:      "Set non-partitioned type topic auto creation with partitions",
 			namespace: "public/default",
 			config: utils.TopicAutoCreationConfig{
-				Allow:      true,
+				Allow:      boolPtr(true),
 				Type:       utils.NonPartitioned,
 				Partitions: ptr(3),
 			},
@@ -98,7 +102,7 @@ func TestSetTopicAutoCreation(t *testing.T) {
 			name:      "Disable topic auto creation",
 			namespace: "public/default",
 			config: utils.TopicAutoCreationConfig{
-				Allow: false,
+				Allow: boolPtr(false),
 			},
 			errReason: "",
 		},
@@ -106,7 +110,7 @@ func TestSetTopicAutoCreation(t *testing.T) {
 			name:      "Set topic auto creation on a non-exist namespace",
 			namespace: "public/nonexist",
 			config: utils.TopicAutoCreationConfig{
-				Allow: true,
+				Allow: boolPtr(true),
 				Type:  utils.NonPartitioned,
 			},
 			errReason: "Namespace does not exist",
@@ -115,7 +119,7 @@ func TestSetTopicAutoCreation(t *testing.T) {
 			name:      "Set topic auto creation on a non-exist tenant",
 			namespace: "non-exist/default",
 			config: utils.TopicAutoCreationConfig{
-				Allow: true,
+				Allow: boolPtr(true),
 				Type:  utils.NonPartitioned,
 			},
 			errReason: "Tenant does not exist",
@@ -149,14 +153,14 @@ func TestGetTopicAutoCreation(t *testing.T) {
 
 	// set the topic auto creation config and get it
 	err = admin.Namespaces().SetTopicAutoCreation(*namespace, utils.TopicAutoCreationConfig{
-		Allow: true,
+		Allow: boolPtr(true),
 		Type:  utils.NonPartitioned,
 	})
 	assert.Equal(t, nil, err)
 	topicAutoCreation, err := admin.Namespaces().GetTopicAutoCreation(*namespace)
 	assert.Equal(t, nil, err)
 	expected := utils.TopicAutoCreationConfig{
-		Allow: true,
+		Allow: boolPtr(true),
 		Type:  utils.NonPartitioned,
 	}
 	assert.Equal(t, expected, *topicAutoCreation)
@@ -168,7 +172,7 @@ func TestGetTopicAutoCreation(t *testing.T) {
 	topicAutoCreation, err = admin.Namespaces().GetTopicAutoCreation(*namespace)
 	assert.Equal(t, nil, err)
 	expected = utils.TopicAutoCreationConfig{
-		Allow: false,
+		Allow: boolPtr(false),
 		Type:  "",
 	}
 	assert.Equal(t, expected, *topicAutoCreation)
diff --git a/pulsaradmin/pkg/utils/topic_auto_creation_config.go b/pulsaradmin/pkg/utils/topic_auto_creation_config.go
index 8444514250..9b8dfd7165 100644
--- a/pulsaradmin/pkg/utils/topic_auto_creation_config.go
+++ b/pulsaradmin/pkg/utils/topic_auto_creation_config.go
@@ -18,7 +18,7 @@
 package utils
 
 type TopicAutoCreationConfig struct {
-	Allow      bool      `json:"allowAutoTopicCreation"`
+	Allow      *bool     `json:"allowAutoTopicCreation"`
 	Type       TopicType `json:"topicType"`
 	Partitions *int      `json:"defaultNumPartitions"`
 }