diff --git a/makefile b/makefile
index 7e0b14a..83b61e1 100644
--- a/makefile
+++ b/makefile
@@ -9,8 +9,8 @@ CC = avr-gcc
 
 #Default cpu frequency is 9.8Mhz, 4.8 gives us less power consumption
 #F_CPU = 1000000UL
-F_CPU = 4800000UL
-#F_CPU = 9800000UL
+#F_CPU = 4800000UL
+F_CPU = 9800000UL
 MCU = attiny13a
 
 # Flags