diff --git a/Makefile b/Makefile
index 96f8662..db2b78c 100755
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ all: raincoat
 
 raincoat: src/raincoat.c src/BootFlash.c src/boot.h src/BootFlash.h
 	mkdir -p bin
-	gcc -static -O2 -Wall -Werror -o ./bin/raincoat src/raincoat.c src/BootFlash.c
+	$(CC) -static $(CFLAGS) $(CPPFLAGS) -Wall -o ./bin/raincoat src/raincoat.c src/BootFlash.c $(LDFLAGS)
 
 clean:
 	rm -f src/*.o