diff --git a/rowers/management/commands/processemail.py b/rowers/management/commands/processemail.py
index 6918fe70..25382b96 100644
--- a/rowers/management/commands/processemail.py
+++ b/rowers/management/commands/processemail.py
@@ -234,6 +234,8 @@ class Command(BaseCommand):
                 ]
             except IOError:
                 rowers = []
+            except Message.DoesNotExist:
+                attachment.delete()
             for rower in rowers:
                 if extension == 'zip':
                     try: