diff --git a/offlineimap/accounts.py b/offlineimap/accounts.py
index e59c13a..f89f3da 100644
--- a/offlineimap/accounts.py
+++ b/offlineimap/accounts.py
@@ -395,9 +395,7 @@ class SyncableAccount(Account):
                 # their names since this would cause troubles while converting
                 # the name back (from local to remote).
                 sep = localrepos.getsep()
-                if (sep == os.path.sep or
-                    sep == remoterepos.getsep() or
-                    sep in remotefolder.getname()):
+                if sep in remotefolder.getname():
                     self.ui.warn('', "Ignoring folder '%s' due to unsupported "
                         "'%s' character serving as local separator."%
                         (remotefolder.getname(), localrepos.getsep()))