diff --git a/max31855.h b/max31855.h
--- a/max31855.h
+++ b/max31855.h
@@ -1,6 +1,12 @@
 #ifndef MAX31855_H
 #define MAX31855_H
 
+#include "stm32f0xx_hal.h"
+#include "config.h"
+#include "stringhelpers.h"
+#include "states.h"
+#include "gpio.h"
+
 void max31855_readtemp(SPI_HandleTypeDef* hspi1, therm_settings_t* set, therm_status_t* status);
 
 #endif