diff --git a/Makefile b/Makefile
index 38712c5..79b8de0 100644
--- a/Makefile
+++ b/Makefile
@@ -6,9 +6,12 @@ NAME=slstatus
 
 all: ${NAME}
 
-${NAME}:
+${NAME}: config.h
 	${CC} ${CFLAGS} -o $@ ${NAME}.c ${LDFLAGS}
 
+config.h:
+	cp config.def.h $@
+
 clean:
 	rm -f ${NAME}