diff --git a/ppf.py b/ppf.py
index a4d196a..baffbd6 100644
--- a/ppf.py
+++ b/ppf.py
@@ -954,6 +954,11 @@ def main():
     last_skip_log = 0
     while True:
         try:
+            # When ppf threads = 0, skip URL fetching (workers handle it via /api/claim-urls)
+            if config.ppf.threads == 0:
+                time.sleep(60)
+                continue
+
             time.sleep(random.random()/10)
             if (time.time() - statusmsg) > 180:
                 _log('running %d thread(s) over %d' % (len(threads), config.ppf.threads), 'ppf')