diff --git a/simulate.py b/simulate.py
index f0961315d18913ccc5e5b42b978f571abdc863cb..621c7d2747319a940a354a01f55bd904d9206587 100644
--- a/simulate.py
+++ b/simulate.py
@@ -167,10 +167,9 @@ def main():
     # FIXME: Also need to set process scale to 1.0. See
     # https://gitlab.torproject.org/jnewsome/sponsor-61-sims/-/issues/5
     run(['sed', '-i', 's/UseEntryGuards.*/UseEntryGuards 1/', f"{getenv('SIMDIR')}/conf/tor.client.torrc"])
-    # Also enable guards for onionservices, if using a tornettools that supports onionservices.
-    if os.path.exists(f"{getenv('SIMDIR')}/conf/tor.onionservice.torrc"):
-        run(['sed', '-i', 's/UseEntryGuards.*/UseEntryGuards 1/', f"{getenv('SIMDIR')}/conf/tor.onionservice.torrc"])
-
+    with open(f"{getenv('SIMDIR')}/conf/tor.onionservice.torrc", 'a') as torrc:
+        torrc.write('\n')
+        torrc.write('VanguardsLiteEnabled 0\n')
 
     # Override authority configs with recent consensus params, from
     # https://consensus-health.torproject.org/#consensusparams: