diff --git a/admin.go b/admin.go
index 21fa10cc9..7dabd3737 100644
--- a/admin.go
+++ b/admin.go
@@ -196,9 +196,9 @@ func (ca *clusterAdmin) refreshController() (*Broker, error) {
 	return ca.client.RefreshController()
 }
 
-// isErrNoController returns `true` if the given error type unwraps to an
+// isErrNotController returns `true` if the given error type unwraps to an
 // `ErrNotController` response from Kafka
-func isErrNoController(err error) bool {
+func isErrNotController(err error) bool {
 	return errors.Is(err, ErrNotController)
 }
 
@@ -249,7 +249,7 @@ func (ca *clusterAdmin) CreateTopic(topic string, detail *TopicDetail, validateO
 		request.Version = 1
 	}
 
-	return ca.retryOnError(isErrNoController, func() error {
+	return ca.retryOnError(isErrNotController, func() error {
 		b, err := ca.Controller()
 		if err != nil {
 			return err
@@ -278,14 +278,14 @@ func (ca *clusterAdmin) CreateTopic(topic string, detail *TopicDetail, validateO
 
 func (ca *clusterAdmin) DescribeTopics(topics []string) (metadata []*TopicMetadata, err error) {
 	var response *MetadataResponse
-	err = ca.retryOnError(isErrNoController, func() error {
+	err = ca.retryOnError(isErrNotController, func() error {
 		controller, err := ca.Controller()
 		if err != nil {
 			return err
 		}
 		request := NewMetadataRequest(ca.conf.Version, topics)
 		response, err = controller.GetMetadata(request)
-		if isErrNoController(err) {
+		if isErrNotController(err) {
 			_, _ = ca.refreshController()
 		}
 		return err
@@ -298,7 +298,7 @@ func (ca *clusterAdmin) DescribeTopics(topics []string) (metadata []*TopicMetada
 
 func (ca *clusterAdmin) DescribeCluster() (brokers []*Broker, controllerID int32, err error) {
 	var response *MetadataResponse
-	err = ca.retryOnError(isErrNoController, func() error {
+	err = ca.retryOnError(isErrNotController, func() error {
 		controller, err := ca.Controller()
 		if err != nil {
 			return err
@@ -306,7 +306,7 @@ func (ca *clusterAdmin) DescribeCluster() (brokers []*Broker, controllerID int32
 
 		request := NewMetadataRequest(ca.conf.Version, nil)
 		response, err = controller.GetMetadata(request)
-		if isErrNoController(err) {
+		if isErrNotController(err) {
 			_, _ = ca.refreshController()
 		}
 		return err
@@ -438,7 +438,7 @@ func (ca *clusterAdmin) DeleteTopic(topic string) error {
 		request.Version = 1
 	}
 
-	return ca.retryOnError(isErrNoController, func() error {
+	return ca.retryOnError(isErrNotController, func() error {
 		b, err := ca.Controller()
 		if err != nil {
 			return err
@@ -482,7 +482,7 @@ func (ca *clusterAdmin) CreatePartitions(topic string, count int32, assignment [
 		request.Version = 1
 	}
 
-	return ca.retryOnError(isErrNoController, func() error {
+	return ca.retryOnError(isErrNotController, func() error {
 		b, err := ca.Controller()
 		if err != nil {
 			return err
@@ -523,7 +523,7 @@ func (ca *clusterAdmin) AlterPartitionReassignments(topic string, assignment [][
 		request.AddBlock(topic, int32(i), assignment[i])
 	}
 
-	return ca.retryOnError(isErrNoController, func() error {
+	return ca.retryOnError(isErrNotController, func() error {
 		b, err := ca.Controller()
 		if err != nil {
 			return err
@@ -570,7 +570,7 @@ func (ca *clusterAdmin) ListPartitionReassignments(topic string, partitions []in
 	request.AddBlock(topic, partitions)
 
 	var rsp *ListPartitionReassignmentsResponse
-	err = ca.retryOnError(isErrNoController, func() error {
+	err = ca.retryOnError(isErrNotController, func() error {
 		b, err := ca.Controller()
 		if err != nil {
 			return err
@@ -578,7 +578,7 @@ func (ca *clusterAdmin) ListPartitionReassignments(topic string, partitions []in
 		_ = b.Open(ca.client.Config())
 
 		rsp, err = b.ListPartitionReassignments(request)
-		if isErrNoController(err) {
+		if isErrNotController(err) {
 			_, _ = ca.refreshController()
 		}
 		return err
@@ -1203,12 +1203,16 @@ func (ca *clusterAdmin) AlterUserScramCredentials(u []AlterUserScramCredentialsU
 		Upsertions: u,
 	}
 
-	b, err := ca.Controller()
-	if err != nil {
-		return nil, err
-	}
+	var rsp *AlterUserScramCredentialsResponse
+	err := ca.retryOnError(isErrNotController, func() error {
+		b, err := ca.Controller()
+		if err != nil {
+			return err
+		}
 
-	rsp, err := b.AlterUserScramCredentials(req)
+		rsp, err = b.AlterUserScramCredentials(req)
+		return err
+	})
 	if err != nil {
 		return nil, err
 	}