diff --git a/src/runtime/select.go b/src/runtime/select.go
index efe0ec8542..29cc077779 100644
--- a/src/runtime/select.go
+++ b/src/runtime/select.go
@@ -243,7 +243,7 @@ func selectgoImpl(sel *hselect) (uintptr, uint16) {
 	// generate permuted order
 	pollslice := slice{unsafe.Pointer(sel.pollorder), int(sel.ncase), int(sel.ncase)}
 	pollorder := *(*[]uint16)(unsafe.Pointer(&pollslice))
-	for i := 0; i < int(sel.ncase); i++ {
+	for i := 1; i < int(sel.ncase); i++ {
 		j := int(fastrand1()) % (i + 1)
 		pollorder[i] = pollorder[j]
 		pollorder[j] = uint16(i)