diff --git a/Makefile b/Makefile
index fe5507e..e5f18ac 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,10 @@
 CC=msp430-gcc
 
 # regular
-CFLAGS=-Wall -mmcu=msp430g2553 -std=gnu99 -I hottislib -O3 -g0
+# CFLAGS=-Wall -mmcu=msp430g2553 -std=gnu99 -I hottislib -O3 -g0
 
 # for debugging
-# CFLAGS=-Wall -mmcu=msp430g2553 -std=gnu99 -I hottislib -g3 -ggdb -gdwarf-2
+CFLAGS=-Wall -mmcu=msp430g2553 -std=gnu99 -I hottislib -g3 -ggdb -gdwarf-2
 
 LDFLAGS=-mmcu=msp430g2553