diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c
index 54bcf1c14bc2..a66c796ce139 100644
--- a/sound/usb/mixer_scarlett_gen2.c
+++ b/sound/usb/mixer_scarlett_gen2.c
@@ -356,7 +356,7 @@ static const struct scarlett2_device_info s18i8_gen2_info = {
 		},
 		[SCARLETT2_PORT_TYPE_PCM] = {
 			.id = 0x600,
-			.num = { 20, 18, 18, 14, 10 },
+			.num = { 8, 18, 18, 14, 10 },
 			.src_descr = "PCM %d",
 			.src_num_offset = 1,
 			.dst_descr = "PCM %02d Capture"