diff --git a/Makefile b/Makefile
index fff1ffb..fe06b74 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,7 @@ OBJS = $(patsubst src/%.S,$(BUILDDIR)/%.o,$(SRCS))
 OBJS := $(patsubst src/%.c,$(BUILDDIR)/%.o,$(OBJS))
 DEPS = $(patsubst %.o,%.d,$(OBJS))
 
-CFLAGS = -I include/ -MMD -ffreestanding -mcmodel=medany
+CFLAGS = -I include/ -MMD -Wall -Wextra -Werror -ffreestanding -mcmodel=medany
 LDFLAGS = -nostdlib
 
 $(BUILDDIR)/%.o: src/%.S | $(BUILDDIR)