diff --git a/tubesync/sync/models.py b/tubesync/sync/models.py
index f36695c5..b6695ea4 100644
--- a/tubesync/sync/models.py
+++ b/tubesync/sync/models.py
@@ -1851,12 +1851,14 @@ class Metadata(models.Model):
 
     @atomic(durable=False)
     def ingest_formats(self, formats=list(), /):
+        number = 0
         for number, format in enumerate(formats, start=1):
             mdf, created = self.format.get_or_create(site=self.site, key=self.key, number=number)
             mdf.value = format
             mdf.save()
-        # delete any numbers we did not overwrite or create
-        self.format.filter(site=self.site, key=self.key, number__gt=number).delete()
+        if number > 0:
+            # delete any numbers we did not overwrite or create
+            self.format.filter(site=self.site, key=self.key, number__gt=number).delete()
 
     @property
     def with_formats(self):