diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 52b47738c7732d790003d4a6953727e35a484020..e353ac58ad3420f182e4fee23271ff30332847b8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -53,7 +53,7 @@ base_test:
 base_bullseye_test:
   <<: *base_test
   variables:
-    CREATE_ENV_VARS: "-e config.float_debian_dist=bullseye -e ansible_cfg.defaults.interpreter_python=/usr/bin/python3"
+    CREATE_ENV_VARS: "-e config.float_debian_dist=bullseye -e inventory.group_vars.vagrant.ansible_python_interpreter=/usr/bin/python3"
     TEST_DIR: "test/base.ref"
 
 full_test: