diff --git a/containerd-shim-v2/stream.go b/containerd-shim-v2/stream.go
index c64060ba88..e8c3b5c66f 100644
--- a/containerd-shim-v2/stream.go
+++ b/containerd-shim-v2/stream.go
@@ -56,7 +56,7 @@ func newTtyIO(ctx context.Context, stdin, stdout, stderr string, console bool) (
 	var err error
 
 	if stdin != "" {
-		in, err = fifo.OpenFifo(ctx, stdin, syscall.O_RDONLY, 0)
+		in, err = fifo.OpenFifo(ctx, stdin, syscall.O_RDONLY|syscall.O_NONBLOCK, 0)
 		if err != nil {
 			return nil, err
 		}