diff --git a/Makefile b/Makefile
index 8687356..35d4828 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@
 # GCC 8.2
 CC= msp430-elf-gcc -mmcu=rf430frl152h -Wall \
 	-Wno-unused-but-set-variable \
-	-I. -I/home/runner/msp430-gcc/include -Os -Wl,--no-gc-sections -nostartfiles
+	-I. -I/home/runner/msp430-gcc/include -Os -Wl,--no-gc-sections
 
 APPS = tcg_counter.txt timer_register.txt timer_a0_vector.txt main.txt
 
diff --git a/main.c b/main.c
index 2b8f537..f1af971 100644
--- a/main.c
+++ b/main.c
@@ -91,7 +91,7 @@ int main(void)
     DeviceInit();
 
     // set output direction
-    P1DIR |= BIT0 & BIT1;
+    P1DIR |= BIT0 | BIT1;
 
     while (1)
     {