diff --git a/MANIFEST.in b/MANIFEST.in
index ec5d6cbbc33a04c653e843cf447f17b71ebe597a..5cf86b7764b3c9c0da760407ee6e3ada1a2c7585 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,6 @@
 include README.rst
 include LICENSE
 
-recursive-include src/km3irf/data
+graft src/km3irf
+
+# recursive-include src/km3irf/data