diff --git a/libraries/MySensors/core/MyHwSAMD.h b/libraries/MySensors/core/MyHwSAMD.h
index cec85af..e8717ca 100644
--- a/libraries/MySensors/core/MyHwSAMD.h
+++ b/libraries/MySensors/core/MyHwSAMD.h
@@ -35,6 +35,7 @@
 
 #define min(a,b) ((a)<(b)?(a):(b))
 #define max(a,b) ((a)>(b)?(a):(b))
+#define snprintf_P(s, f, ...) snprintf((s), (f), __VA_ARGS__)
 
 
 // Define these as macros to save valuable space
diff --git a/libraries/MySensors/library.properties b/libraries/MySensors/library.properties
index 54e59aa..db72528 100644
--- a/libraries/MySensors/library.properties
+++ b/libraries/MySensors/library.properties
@@ -6,4 +6,4 @@ sentence=Home Automation Framework
 paragraph=Create your own wireless sensor mesh using NRF24L01+ and RFM69 radios running on Arduino or ESP8266. Over-the-air updates and MySensors support in 16+ home automation controllers.
 category=Communication
 url=http://www.mysensors.org
-architectures=avr,esp8266
\ No newline at end of file
+architectures=avr,esp8266,samd