diff --git a/head/offlineimap.py b/head/offlineimap.py
index 1c22aa7..6122088 100644
--- a/head/offlineimap.py
+++ b/head/offlineimap.py
@@ -43,9 +43,9 @@ accounts = accounts.split(",")
 server = None
 remoterepos = None
 localrepos = None
-mailboxes = []
 
 def syncitall():
+    mailboxes = []
     for accountname in accounts:
         ui.acct(accountname)
         accountmetadata = os.path.join(metadatadir, accountname)
diff --git a/head/offlineimap/folder/Maildir.py b/head/offlineimap/folder/Maildir.py
index d4f4a14..1409ada 100644
--- a/head/offlineimap/folder/Maildir.py
+++ b/head/offlineimap/folder/Maildir.py
@@ -24,6 +24,7 @@ timeseq = 0
 lasttime = long(0)
 
 def gettimeseq():
+    global lasttime, timeseq
     thistime = long(time.time())
     if thistime == lasttime:
         timeseq += 1
@@ -91,7 +92,7 @@ class MaildirFolder(BaseFolder):
                 # assume it is a foreign (new) message and generate a
                 # negative uid for it
                 uid = nouidcounter
-                nouidcountr -= 1
+                nouidcounter -= 1
             else:                       # It comes from our folder.
                 uidmatch = re.search(',U=(\d+)', messagename)
                 uid = None