diff --git a/steamwarci.yml b/steamwarci.yml
index 2679d7a..a026e78 100644
--- a/steamwarci.yml
+++ b/steamwarci.yml
@@ -1,5 +1,5 @@
 build:
-  - "python build.py"
+  - "python3 build.py"
 
 artifacts: {}