diff --git a/noxfile.py b/noxfile.py
index 3f627b1..a380541 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -21,8 +21,8 @@ def mypy(session: Session) -> None:
 def build(session: Session) -> None:
     """Run unit tests."""
     session.install("nodeenv", "git+https://git.collectivit.org/collectivit/jean-website")
-    session.run_install("nodeenv", "-p")
-    session.run_install("npm", "install", "-g", "sass")
+    session.run_always("nodeenv", "-p")
+    session.run_always("npm", "install", "-g", "sass")
 
     session.log("Building website...")
     session.run("jwebsite", "build")