diff --git a/.drone.yml b/.drone.yml
index c1399ed..580e5dc 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -5,7 +5,7 @@ type: docker
 name: default
 
 environment:
-  PATH: ${DRONE_WORKSPACE}/.venv/bin:${PATH}
+  PATH: '${DRONE_WORKSPACE}/.venv/bin:${PATH}'
 
 steps:
   - name: install