diff --git a/NmraDcc.cpp b/NmraDcc.cpp
index 39e6d1b..55107dd 100644
--- a/NmraDcc.cpp
+++ b/NmraDcc.cpp
@@ -47,7 +47,7 @@
 //------------------------------------------------------------------------
 
 #include "NmraDcc.h"
-#ifdef __SAMD21G18A__
+#ifdef ARDUINO_SAMD_ZERO
 #include <FlashStorage_SAMD.h>
 #else
 #include "EEPROM.h"