diff --git a/.drone.yml b/.drone.yml
index 5bbd088..3a93eda 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -78,7 +78,7 @@ steps:
       PYTHONPATH: src
     commands:
       - pip install python-dateutil
-      - tests/main.py
+      - python tests/main.py
 
 ---
 kind: pipeline