diff --git a/Adafruit_SPIDevice.cpp b/Adafruit_SPIDevice.cpp
index 50eece8..d5ecdc9 100644
--- a/Adafruit_SPIDevice.cpp
+++ b/Adafruit_SPIDevice.cpp
@@ -112,7 +112,13 @@ bool Adafruit_SPIDevice::begin(void) {
 void Adafruit_SPIDevice::transfer(uint8_t *buffer, size_t len) {
   if (_spi) {
     // hardware SPI is easy
+
+#ifdef SPARK
+    _spi->transfer(buffer, buffer, len, NULL);
+#else
     _spi->transfer(buffer, len);
+#endif
+
     return;
   }
 
diff --git a/Adafruit_SPIDevice.h b/Adafruit_SPIDevice.h
index f1ef0cc..764f316 100644
--- a/Adafruit_SPIDevice.h
+++ b/Adafruit_SPIDevice.h
@@ -5,7 +5,7 @@
 
 // some modern SPI definitions don't have BitOrder enum
 #if (defined(__AVR__) && !defined(ARDUINO_ARCH_MEGAAVR)) ||                    \
-    defined(ESP8266) || defined(TEENSYDUINO) ||                                \
+    defined(ESP8266) || defined(TEENSYDUINO) || defined(SPARK) ||              \
     defined(ARDUINO_ARCH_SPRESENSE) || defined(ARDUINO_attinyxy7) ||           \
     defined(ARDUINO_attinyxy6) || defined(ARDUINO_attinyxy4) ||                \
     defined(ARDUINO_attinyxy2) || defined(ARDUINO_AVR_ATmega4809) ||           \
diff --git a/library.properties b/library.properties
index a6f5bd9..80c0434 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Adafruit BusIO
-version=1.4.1
+version=1.4.2
 author=Adafruit
 maintainer=Adafruit <info@adafruit.com>
 sentence=This is a library for abstracting away UART, I2C and SPI interfacing