diff --git a/.travis.yml b/.travis.yml
index 7dbaf148d..cc18965d4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,6 @@ sudo: required
 install: wget https://raw.githubusercontent.com/anlun/ocaml-ci-scripts/patch-1/.travis-opam.sh
 script: bash -ex .travis-opam.sh
 env:
-  - OCAML_VERSION=4.06
+  - FORK_USER=anlun FORK_BRANCH=patch-1 OCAML_VERSION=4.06
 os:
   - linux
\ No newline at end of file