diff --git a/autodeploy/setup.sh b/autodeploy/setup.sh
index 388e478..930bbc1 100755
--- a/autodeploy/setup.sh
+++ b/autodeploy/setup.sh
@@ -31,7 +31,7 @@ else
 fi
 
 echo pixi config pypi mirror
-"$GITHUB_WORKSPACE/pixi" config pypi-config.index-url https://pypi.psi.ch/simple
+"$GITHUB_WORKSPACE/pixi" config set pypi-config.index-url https://pypi.psi.ch/simple
 
 echo "pixi install"
 "$GITHUB_WORKSPACE/pixi" install --all --no-progress