diff --git a/util/ipresolver/__init__.py b/util/ipresolver/__init__.py
index d57bacd18..97cb3acec 100644
--- a/util/ipresolver/__init__.py
+++ b/util/ipresolver/__init__.py
@@ -84,8 +84,6 @@ class IPResolver(IPResolverInterface):
     self.app = app
     self.geoip_db = geoip2.database.Reader('util/ipresolver/GeoLite2-Country.mmdb')
     self._worker = _UpdateIPRange(_UPDATE_INTERVAL)
-    if not app.config.get('TESTING', False):
-      self._worker.start()
 
   @ttl_cache(maxsize=100, ttl=600)
   def is_ip_possible_threat(self, ip_address):
@@ -131,6 +129,8 @@ class IPResolver(IPResolverInterface):
     return location_function(ip_address)
 
   def _get_location_function(self):
+    if not self.app.config.get('TESTING', False) and not self._worker.is_alive():
+      self._worker.start()
     try:
       cache = CACHE
       sync_token = cache.get('sync_token', None)