diff --git a/ttm/manager.py b/ttm/manager.py
index 73be7b05..8c562974 100644
--- a/ttm/manager.py
+++ b/ttm/manager.py
@@ -63,7 +63,7 @@ class ToTestManager(ToolBase.ToolBase):
 
     def iso_build_version(self, project, tree, repo=None, arch=None):
         for binary in self.binaries_of_product(project, tree, repo=repo, arch=arch):
-            result = re.match(r'.*-(?:Build|Snapshot)([0-9.]+)(?:-Media.*\.iso|\.docker\.tar\.xz|\.raw\.xz|\.appx)', binary)
+            result = re.match(r'.*-(?:Build|Snapshot)([0-9.]+)(?:-Media.*\.iso|\.docker\.tar\.xz|\.tar\.xz|\.raw\.xz|\.appx)', binary)
             if result:
                 return result.group(1)
         raise NotFoundException("can't find %s iso version" % project)