diff --git a/MANIFEST.in b/MANIFEST.in
index 25c0853fc5..b6a39d604f 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -9,7 +9,7 @@ include tryton.desktop
 include *.nsh
 include setup-freeze.py
 include make-*-installer.sh
-include */gtk-2.0/*
+include */gtk-3.0/*
 include doc/*
 recursive-include doc *.rst
 recursive-include doc *.po