diff --git a/burpui/misc/backend/burp2.py b/burpui/misc/backend/burp2.py
index ba20ff48..51e9a7e8 100644
--- a/burpui/misc/backend/burp2.py
+++ b/burpui/misc/backend/burp2.py
@@ -663,11 +663,11 @@ class Burp(Burp1):
                 try:
                     back['received'] = log['received']
                 except KeyError as e:
-                    back['received'] = -1
+                    back['received'] = 0
                 try:
                     back['size'] = log['totsize']
                 except KeyError as e:
-                    back['size'] = -1
+                    back['size'] = 0
                 back['end'] = log['end']
                 # override date since the timestamp is odd
                 back['date'] = log['start']