diff --git a/hardware.hpp b/hardware.hpp
index 4ece8ad..de28775 100644
--- a/hardware.hpp
+++ b/hardware.hpp
@@ -6,7 +6,7 @@
 
 namespace i2c {
 
-#if defined(__AVR_ATmega1284P__)
+#if defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega328P__)
 
 enum class Prescaler {
 	PRESCALER_1 = 0b00,