diff --git a/MANIFEST.in b/MANIFEST.in
index 2a06d4f..1b32172 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -2,5 +2,5 @@ include paramecio2/*.py
 include paramecio2/config.py.sample
 include README.md
 include LICENSE.txt
-recursive-include paramecio2/libraries *
-recursive-include paramecio2/modules *
+recursive-include paramecio2/libraries/*
+recursive-include paramecio2/modules/*