diff --git a/src/twtxt.nim b/src/twtxt.nim
index 933fd9a..eea300b 100644
--- a/src/twtxt.nim
+++ b/src/twtxt.nim
@@ -1,7 +1,7 @@
 import db_sqlite, json, httpclient, os, strutils, times, time/gotime
 
 const
-  ISOTime*: string = "yyyy-MM-dd'T'HH:mm:ss'.000000'zzz"
+  ISOTime*: string = "yyyy-MM-dd'T'HH:mm:ss'.000000+'zzz"
 
 type
   Tweet* = object of RootObj