diff --git a/.travis.yml b/.travis.yml
index 7dcb626..7ed51e4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,7 +32,7 @@ before_install:
   #
   - wget http://search.cpan.org/CPAN/authors/id/C/CH/CHORNY/Tie-IxHash-1.23.tar.gz
   - tar xvzf Tie-IxHash-1.23.tar.gz
-  - cp Tie-IxHash-1.23/lib/* tests/lib/
+  - cp -r Tie-IxHash-1.23/lib/* tests/lib/
   #
   - wget http://search.cpan.org/CPAN/authors/id/I/IN/INGY/YAML-1.14.tar.gz
   - tar xvfz YAML-1.14.tar.gz