diff --git a/debian/bin/genorig.py b/debian/bin/genorig.py
index 5773e5fcf..a41c5c504 100755
--- a/debian/bin/genorig.py
+++ b/debian/bin/genorig.py
@@ -145,6 +145,7 @@ class Main(object):
                 'arch/x86/lib/memcpy_64.S',
                 'arch/x86/lib/memset_64.S',
                 'include/',
+                'lib/hweight.c',
                 'lib/rbtree.c',
                 'scripts/',
                 'tools/',