diff --git a/roles/ipsilon/templates/configmap.yml b/roles/ipsilon/templates/configmap.yml
index c00d7b1a3b..a4dd86b7ab 100644
--- a/roles/ipsilon/templates/configmap.yml
+++ b/roles/ipsilon/templates/configmap.yml
@@ -45,7 +45,7 @@ data:
     # Clean up previous runs
     rm -rf /httpdir/*
     # Generate SAML2 metadata - must happen before start or init will fail
-    python /etc/ipsilon/prepare_saml2.py
+    python3 /etc/ipsilon/prepare_saml2.py
     # Prepare and start httpd
     mkdir /httpdir/run
     ln -s /etc/httpd/modules /httpdir/modules