diff --git a/thirdPart/tomlc99/Makefile b/thirdPart/tomlc99/Makefile
index 599f7db..b28e323 100644
--- a/thirdPart/tomlc99/Makefile
+++ b/thirdPart/tomlc99/Makefile
@@ -1,4 +1,4 @@
-prefix ?= /usr/local
+prefix = ../../dependence
 HFILES = toml.h
 CFILES = toml.c
 OBJ = $(CFILES:.c=.o)