diff --git a/Makefile b/Makefile
index 98bafdd..925162d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,7 @@
 # detect OS
 ifeq ($(OS),Windows_NT)
     RM  := del /q
+    CC  := sdcc
     COM := COM3
 else
     RM   := rm -rf