diff --git a/loaih/__init__.py b/loaih/__init__.py
index 30161fa..8776d02 100644
--- a/loaih/__init__.py
+++ b/loaih/__init__.py
@@ -217,9 +217,9 @@ class Build(object):
         elif self.language == 'standard':
             for lang in Build.LANGSTD:
                 if self.offline_help:
-                    buildtarballs.extend([ x for x in self.tarballs[arch] if ('pack' + lang) in x ])
+                    buildtarballs.extend([ x for x in self.tarballs[arch] if ('pack_' + lang) in x ])
                 else:
-                    buildtarballs.extend([ x for x in self.tarballs[arch] if ('langpack' + lang) in x ])
+                    buildtarballs.extend([ x for x in self.tarballs[arch] if ('langpack_' + lang) in x ])
         elif self.language == 'full':
             if self.offline_help:
                 # We need also all help. Let's replace buildtarball with the