diff --git a/compile_flags.txt b/compile_flags.txt
index 6a6ce7ea..ea1834c8 100644
--- a/compile_flags.txt
+++ b/compile_flags.txt
@@ -9,3 +9,4 @@
 -Iinclude/
 -I3rd/cjson/include/
 -I3rd/lua_bridge/include/
+-I3rd/numpy/include/