diff --git a/.travis-ci.sh b/.travis-ci.sh
index 53b8c3ddba0..e1a3cab7bae 100755
--- a/.travis-ci.sh
+++ b/.travis-ci.sh
@@ -314,7 +314,7 @@ export OCAMLRUNPARAM=b
     fi
 
     # Test basic actions
-    opam init --bare
+    opam init --bare default git+https://github.com/ocaml/opam-repository#8be4290a
     opam switch create default ocaml-system
     eval $(opam env)
     opam install lwt