diff --git a/composer.json b/composer.json
index d7f5330307b..df7f9c3a172 100644
--- a/composer.json
+++ b/composer.json
@@ -63,7 +63,7 @@
     "extra": {
         "_ci_branch-comment_": "Keep ci branch up-to-date with master or branch if on stable. ci is never on github but convention used for ci behat testing!",
         "_ezplatform_branch_for_behat_tests_comment_": "ezplatform branch to use to run Behat tests",
-        "_ezplatform_branch_for_behat_tests": "master",
+        "_ezplatform_branch_for_behat_tests": "1.9",
         "branch-alias": {
             "dev-master": "6.9.x-dev",
             "dev-tmp_ci_branch": "6.9.x-dev"