diff --git a/pym/cl_distr.py b/pym/cl_distr.py
index f5d403b..d87061b 100644
--- a/pym/cl_distr.py
+++ b/pym/cl_distr.py
@@ -922,6 +922,8 @@ class ArchiveDistributive(Distributive):
             return "gzip"
         elif "7-zip archive data" in mes:
             return "7z"
+        elif file and file.endswith(".tar.lzma"):
+            return "7z"
         else:
             return None
 
@@ -946,7 +948,8 @@ class ArchiveDistributive(Distributive):
             res,mes = self.runOsCommand("tar xf %s -C %s/"%
                 (archfile,directory))
         else:
-            raise DistributiveError(_("Unknown archive type by '%s'")%file)
+            raise DistributiveError(_("Unknown archive type by '%s'")%
+                                    archfile)
         if res != 0:
             raise DistributiveError(_("Error during unpacking\n%s")%mes)