diff --git a/client.go b/client.go
index 91ee83f..1c1d63b 100644
--- a/client.go
+++ b/client.go
@@ -132,8 +132,8 @@ func composeOptions(opts ...Option) (option, error) {
 			res.retry = int(opt)
 		case queueOption:
 			trimmed := strings.TrimSpace(string(opt))
-			if len(trimmed) == 0 {
-				return option{}, fmt.Errorf("queue name must contain one or more characters")
+			if err := validateQueueName(trimmed); err != nil {
+				return option{}, err
 			}
 			res.queue = trimmed
 		case timeoutOption:
@@ -149,6 +149,13 @@ func composeOptions(opts ...Option) (option, error) {
 	return res, nil
 }
 
+func validateQueueName(qname string) error {
+	if len(qname) == 0 {
+		return fmt.Errorf("queue name must contain one or more characters")
+	}
+	return nil
+}
+
 const (
 	// Default max retry count used if nothing is specified.
 	defaultMaxRetry = 25
diff --git a/inspector.go b/inspector.go
index 76aabc5..2d5c7d6 100644
--- a/inspector.go
+++ b/inspector.go
@@ -63,6 +63,9 @@ type QueueStats struct {
 
 // CurrentStats returns a current stats of the given queue.
 func (i *Inspector) CurrentStats(qname string) (*QueueStats, error) {
+	if err := validateQueueName(qname); err != nil {
+		return nil, err
+	}
 	stats, err := i.rdb.CurrentStats(qname)
 	if err != nil {
 		return nil, err
@@ -97,6 +100,9 @@ type DailyStats struct {
 
 // History returns a list of stats from the last n days.
 func (i *Inspector) History(qname string, n int) ([]*DailyStats, error) {
+	if err := validateQueueName(qname); err != nil {
+		return nil, err
+	}
 	stats, err := i.rdb.HistoricalStats(qname, n)
 	if err != nil {
 		return nil, err
@@ -267,6 +273,9 @@ func Page(n int) ListOption {
 //
 // By default, it retrieves the first 30 tasks.
 func (i *Inspector) ListEnqueuedTasks(qname string, opts ...ListOption) ([]*EnqueuedTask, error) {
+	if err := validateQueueName(qname); err != nil {
+		return nil, err
+	}
 	opt := composeListOptions(opts...)
 	pgn := rdb.Pagination{Size: opt.pageSize, Page: opt.pageNum - 1}
 	msgs, err := i.rdb.ListEnqueued(qname, pgn)
@@ -288,6 +297,9 @@ func (i *Inspector) ListEnqueuedTasks(qname string, opts ...ListOption) ([]*Enqu
 //
 // By default, it retrieves the first 30 tasks.
 func (i *Inspector) ListInProgressTasks(qname string, opts ...ListOption) ([]*InProgressTask, error) {
+	if err := validateQueueName(qname); err != nil {
+		return nil, err
+	}
 	opt := composeListOptions(opts...)
 	pgn := rdb.Pagination{Size: opt.pageSize, Page: opt.pageNum - 1}
 	msgs, err := i.rdb.ListInProgress(qname, pgn)
@@ -310,6 +322,9 @@ func (i *Inspector) ListInProgressTasks(qname string, opts ...ListOption) ([]*In
 //
 // By default, it retrieves the first 30 tasks.
 func (i *Inspector) ListScheduledTasks(qname string, opts ...ListOption) ([]*ScheduledTask, error) {
+	if err := validateQueueName(qname); err != nil {
+		return nil, err
+	}
 	opt := composeListOptions(opts...)
 	pgn := rdb.Pagination{Size: opt.pageSize, Page: opt.pageNum - 1}
 	zs, err := i.rdb.ListScheduled(qname, pgn)
@@ -336,6 +351,9 @@ func (i *Inspector) ListScheduledTasks(qname string, opts ...ListOption) ([]*Sch
 //
 // By default, it retrieves the first 30 tasks.
 func (i *Inspector) ListRetryTasks(qname string, opts ...ListOption) ([]*RetryTask, error) {
+	if err := validateQueueName(qname); err != nil {
+		return nil, err
+	}
 	opt := composeListOptions(opts...)
 	pgn := rdb.Pagination{Size: opt.pageSize, Page: opt.pageNum - 1}
 	zs, err := i.rdb.ListRetry(qname, pgn)
@@ -366,6 +384,9 @@ func (i *Inspector) ListRetryTasks(qname string, opts ...ListOption) ([]*RetryTa
 //
 // By default, it retrieves the first 30 tasks.
 func (i *Inspector) ListDeadTasks(qname string, opts ...ListOption) ([]*DeadTask, error) {
+	if err := validateQueueName(qname); err != nil {
+		return nil, err
+	}
 	opt := composeListOptions(opts...)
 	pgn := rdb.Pagination{Size: opt.pageSize, Page: opt.pageNum - 1}
 	zs, err := i.rdb.ListDead(qname, pgn)
@@ -394,6 +415,9 @@ func (i *Inspector) ListDeadTasks(qname string, opts ...ListOption) ([]*DeadTask
 // DeleteAllScheduledTasks deletes all scheduled tasks from the specified queue,
 // and reports the number tasks deleted.
 func (i *Inspector) DeleteAllScheduledTasks(qname string) (int, error) {
+	if err := validateQueueName(qname); err != nil {
+		return 0, err
+	}
 	n, err := i.rdb.DeleteAllScheduledTasks(qname)
 	return int(n), err
 }
@@ -401,6 +425,9 @@ func (i *Inspector) DeleteAllScheduledTasks(qname string) (int, error) {
 // DeleteAllRetryTasks deletes all retry tasks from the specified queue,
 // and reports the number tasks deleted.
 func (i *Inspector) DeleteAllRetryTasks(qname string) (int, error) {
+	if err := validateQueueName(qname); err != nil {
+		return 0, err
+	}
 	n, err := i.rdb.DeleteAllRetryTasks(qname)
 	return int(n), err
 }
@@ -408,12 +435,18 @@ func (i *Inspector) DeleteAllRetryTasks(qname string) (int, error) {
 // DeleteAllDeadTasks deletes all dead tasks from the specified queue,
 // and reports the number tasks deleted.
 func (i *Inspector) DeleteAllDeadTasks(qname string) (int, error) {
+	if err := validateQueueName(qname); err != nil {
+		return 0, err
+	}
 	n, err := i.rdb.DeleteAllDeadTasks(qname)
 	return int(n), err
 }
 
 // DeleteTaskByKey deletes a task with the given key from the given queue.
 func (i *Inspector) DeleteTaskByKey(qname, key string) error {
+	if err := validateQueueName(qname); err != nil {
+		return err
+	}
 	id, score, state, err := parseTaskKey(key)
 	if err != nil {
 		return err
@@ -434,6 +467,9 @@ func (i *Inspector) DeleteTaskByKey(qname, key string) error {
 // EnqueueAllScheduledTasks enqueues all scheduled tasks for immediate processing within the given queue,
 // and reports the number of tasks enqueued.
 func (i *Inspector) EnqueueAllScheduledTasks(qname string) (int, error) {
+	if err := validateQueueName(qname); err != nil {
+		return 0, err
+	}
 	n, err := i.rdb.EnqueueAllScheduledTasks(qname)
 	return int(n), err
 }
@@ -441,6 +477,9 @@ func (i *Inspector) EnqueueAllScheduledTasks(qname string) (int, error) {
 // EnqueueAllRetryTasks enqueues all retry tasks for immediate processing within the given queue,
 // and reports the number of tasks enqueued.
 func (i *Inspector) EnqueueAllRetryTasks(qname string) (int, error) {
+	if err := validateQueueName(qname); err != nil {
+		return 0, err
+	}
 	n, err := i.rdb.EnqueueAllRetryTasks(qname)
 	return int(n), err
 }
@@ -448,12 +487,18 @@ func (i *Inspector) EnqueueAllRetryTasks(qname string) (int, error) {
 // EnqueueAllDeadTasks enqueues all dead tasks for immediate processing within the given queue,
 // and reports the number of tasks enqueued.
 func (i *Inspector) EnqueueAllDeadTasks(qname string) (int, error) {
+	if err := validateQueueName(qname); err != nil {
+		return 0, err
+	}
 	n, err := i.rdb.EnqueueAllDeadTasks(qname)
 	return int(n), err
 }
 
 // EnqueueTaskByKey enqueues a task with the given key in the given queue.
 func (i *Inspector) EnqueueTaskByKey(qname, key string) error {
+	if err := validateQueueName(qname); err != nil {
+		return err
+	}
 	id, score, state, err := parseTaskKey(key)
 	if err != nil {
 		return err
@@ -473,6 +518,9 @@ func (i *Inspector) EnqueueTaskByKey(qname, key string) error {
 // KillAllScheduledTasks kills all scheduled tasks within the given queue,
 // and reports the number of tasks killed.
 func (i *Inspector) KillAllScheduledTasks(qname string) (int, error) {
+	if err := validateQueueName(qname); err != nil {
+		return 0, err
+	}
 	n, err := i.rdb.KillAllScheduledTasks(qname)
 	return int(n), err
 }
@@ -480,12 +528,18 @@ func (i *Inspector) KillAllScheduledTasks(qname string) (int, error) {
 // KillAllRetryTasks kills all retry tasks within the given queue,
 // and reports the number of tasks killed.
 func (i *Inspector) KillAllRetryTasks(qname string) (int, error) {
+	if err := validateQueueName(qname); err != nil {
+		return 0, err
+	}
 	n, err := i.rdb.KillAllRetryTasks(qname)
 	return int(n), err
 }
 
 // KillTaskByKey kills a task with the given key in the given queue.
 func (i *Inspector) KillTaskByKey(qname, key string) error {
+	if err := validateQueueName(qname); err != nil {
+		return err
+	}
 	id, score, state, err := parseTaskKey(key)
 	if err != nil {
 		return err
@@ -505,11 +559,17 @@ func (i *Inspector) KillTaskByKey(qname, key string) error {
 // PauseQueue pauses task processing on the specified queue.
 // If the queue is already paused, it will return a non-nil error.
 func (i *Inspector) PauseQueue(qname string) error {
+	if err := validateQueueName(qname); err != nil {
+		return err
+	}
 	return i.rdb.Pause(qname)
 }
 
 // UnpauseQueue resumes task processing on the specified queue.
 // If the queue is not paused, it will return a non-nil error.
 func (i *Inspector) UnpauseQueue(qname string) error {
+	if err := validateQueueName(qname); err != nil {
+		return err
+	}
 	return i.rdb.Unpause(qname)
 }