diff --git a/firmware/cl-step-controller/src/drivers/dacs.h b/firmware/cl-step-controller/src/drivers/dacs.h
index 15cc2eadbca5c5e918b69bc7679669d7fc71d7ed..b41257e62f9a1740febe5926d7c8f57fbf14e52f 100644
--- a/firmware/cl-step-controller/src/drivers/dacs.h
+++ b/firmware/cl-step-controller/src/drivers/dacs.h
@@ -15,7 +15,7 @@ is; no warranty is provided, and users accept all liability.
 #ifndef DACS_H_
 #define DACS_H_
 
-#include <arduino.h>
+#include <Arduino.h>
 
 #include "indicators.h"
 #include "../osape/utils/syserror.h"
diff --git a/firmware/cl-step-controller/src/drivers/step_a4950.h b/firmware/cl-step-controller/src/drivers/step_a4950.h
index 6b71164959117ccfe9703a53fba96b01fa27eedb..b74fe0fbe0b1f3cae997d235157e41915e0d4904 100644
--- a/firmware/cl-step-controller/src/drivers/step_a4950.h
+++ b/firmware/cl-step-controller/src/drivers/step_a4950.h
@@ -15,7 +15,7 @@ is; no warranty is provided, and users accept all liability.
 #ifndef STEP_A4950_H_
 #define STEP_A4950_H_
 
-#include <arduino.h>
+#include <Arduino.h>
 
 #include "dacs.h"
 #include "indicators.h"