diff --git a/Makefile b/Makefile
index 0a2c16c..6734e79 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-CFLAGS+=-Wall -Werror
+CFLAGS+=-Wall -Werror -DVERSION='"v0.1"'
 TARGET=snappy-fox
 
 .PHONY: all