diff --git a/MANIFEST b/MANIFEST
index 56e61cd413..1364414111 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -26,6 +26,7 @@ lib/Slic3r/Format/STL.pm
 lib/Slic3r/Geometry.pm
 lib/Slic3r/Geometry/Clipper.pm
 lib/Slic3r/GUI.pm
+lib/Slic3r/GUI/ConfigWizard.pm
 lib/Slic3r/GUI/Plater.pm
 lib/Slic3r/GUI/OptionsGroup.pm
 lib/Slic3r/GUI/SkeinPanel.pm