diff --git a/Makefile b/Makefile
index 8866dc6..1d95129 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@ clean:
 	rm -f $(OBJS) $(PROGS)
 
 %.o: %.s $(wildcard include/*.s)
-	as $< -o $@
+	as -g $< -o $@
 
 %: %.o
 	ld $@.o -o $@