diff --git a/src/machine/board_arduino_nano33.go b/src/machine/board_arduino_nano33.go
index 067098aa..f23b1bcf 100644
--- a/src/machine/board_arduino_nano33.go
+++ b/src/machine/board_arduino_nano33.go
@@ -66,9 +66,9 @@ const (
 
 // SPI pins
 const (
-	SPI0_SCK_PIN  Pin = A2 // SCK: SERCOM0/PAD[3]
-	SPI0_MOSI_PIN Pin = A3 // MOSI: SERCOM0/PAD[2]
-	SPI0_MISO_PIN Pin = A6 // MISO: SERCOM0/PAD[1]
+	SPI0_SCK_PIN  Pin = D13 // SCK: SERCOM1/PAD[1]
+	SPI0_MOSI_PIN Pin = D11 // MOSI: SERCOM1/PAD[0]
+	SPI0_MISO_PIN Pin = D12 // MISO: SERCOM1/PAD[3]
 )
 
 // NINA-W102 Pins
diff --git a/src/machine/board_arduino_nano33_baremetal.go b/src/machine/board_arduino_nano33_baremetal.go
index cd1055e0..a31d404f 100644
--- a/src/machine/board_arduino_nano33_baremetal.go
+++ b/src/machine/board_arduino_nano33_baremetal.go
@@ -45,8 +45,8 @@ var (
 // SPI on the Arduino Nano 33.
 var (
 	SPI0 = SPI{
-		Bus:    sam.SERCOM0_SPI,
-		SERCOM: 0,
+		Bus:    sam.SERCOM1_SPI,
+		SERCOM: 1,
 	}
 )