diff --git a/concurrency/channel.go b/concurrency/channel.go
index 58bffdf..a7ccfe3 100644
--- a/concurrency/channel.go
+++ b/concurrency/channel.go
@@ -203,12 +203,17 @@ func (c *Channel) Or(channels ...<-chan any) <-chan any {
 			case <-channels[1]:
 			}
 		default:
+			m := len(channels) / 2
 			select {
-			case <-channels[0]:
-			case <-channels[1]:
-			case <-channels[2]:
-			case <-c.Or(append(channels[3:], orDone)...):
+			case <-c.Or(channels[:m]...):
+			case <-c.Or(channels[m:]...):
 			}
+			// select {
+			// case <-channels[0]:
+			// case <-channels[1]:
+			// case <-channels[2]:
+			// case <-c.Or(append(channels[3:], orDone)...):
+			// }
 		}
 	}()
 
diff --git a/concurrency/channel_test.go b/concurrency/channel_test.go
index 26616ed..f2b6834 100644
--- a/concurrency/channel_test.go
+++ b/concurrency/channel_test.go
@@ -125,7 +125,13 @@ func TestOr(t *testing.T) {
 	start := time.Now()
 
 	c := NewChannel()
-	<-c.Or(sig(2*time.Hour), sig(5*time.Minute), sig(1*time.Second), sig(1*time.Hour), sig(1*time.Minute))
+	<-c.Or(
+		sig(1*time.Second),
+		sig(2*time.Second),
+		sig(3*time.Second),
+		sig(4*time.Second),
+		sig(5*time.Second),
+	)
 
 	t.Logf("done after %v", time.Since(start))