fix search string in tar volume generation

diff --git a/deltatar/deltatar.py b/deltatar/deltatar.py
index bd0dc67..c5a3eeb 100644 (file)
--- a/deltatar/deltatar.py
+++ b/deltatar/deltatar.py
@@ -298,7 +298,7 @@ class DeltaTar(object):
             return "%s-%s-%03d%s" % (prefix, date_str, volume_number + 1, extension)
         else:
             prefix = prefix + "-"
-            postfix = "-%03d.tar%s" % (volume_number + 1, extension)
+            postfix = "-%03d%s" % (volume_number + 1, extension)
             for f in os.listdir(backup_path):
                 if f.startswith(prefix) and f.endswith(postfix):
                     return f