diff --git a/hub/onboard-spoke.sh b/hub/onboard-spoke.sh
index ef41cea..fb8b162 100755
--- a/hub/onboard-spoke.sh
+++ b/hub/onboard-spoke.sh
@@ -182,7 +182,7 @@ for line in lines:
         in_section = False
     if in_section and line.startswith("upstreams =") and prefix in line:
         print("yes")
-        raise SystemExit
+        sys.exit(0)
 print("no")
 PYEOF
 )