diff --git a/Adafruit_SPIDevice.h b/Adafruit_SPIDevice.h
index 6fd004a..987cb3f 100644
--- a/Adafruit_SPIDevice.h
+++ b/Adafruit_SPIDevice.h
@@ -20,7 +20,7 @@ typedef enum _BitOrder {
 #endif
 
 // Some platforms have a BitOrder enum but its named MSBFIRST/LSBFIRST
-#if defined(ARDUINO_ARCH_SAMD) || defined(__SAM3X8E__) || defined(NRF52_SERIES) || defined(ARDUINO_ARCH_ARDUINO_CORE_STM32) || defined(ARDUINO_ARCH_MEGAAVR)
+#if defined(ARDUINO_ARCH_SAMD) || defined(__SAM3X8E__) || defined(NRF52_SERIES) || defined(ARDUINO_ARCH_ARDUINO_CORE_STM32) || defined(ARDUINO_ARCH_MEGAAVR) || defined(_STM32_DEF_)
   #define SPI_BITORDER_MSBFIRST MSBFIRST
   #define SPI_BITORDER_LSBFIRST LSBFIRST
 #endif