diff --git a/.drone.yml b/.drone.yml
index 330703a..55600b8 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -49,7 +49,7 @@ steps:
   image: xoxys/molecule:gce
   commands:
   - /bin/bash /docker-entrypoint.sh
-  - echo "${MOLECULE_CUSTOM_MODULES_REPO}"
+  - echo "$MOLECULE_CUSTOM_MODULES_REPO"
   - molecule create --scenario-name gce-centos-7
   - molecule converge --scenario-name gce-centos-7
   - molecule verify --scenario-name gce-centos-7