diff --git a/silk/collector.py b/silk/collector.py
index 9ef1ffa5..d50edd53 100644
--- a/silk/collector.py
+++ b/silk/collector.py
@@ -180,8 +180,7 @@ def finalise(self):
                         )
             profile = models.Profile.objects.create(**profile)
             if profile_query_models:
-                profile.queries = profile_query_models
-                profile.save()
+                profile.queries.set(profile_query_models)
         self._record_meta_profiling()
 
     def register_silk_query(self, *args):