diff --git a/.travis/install.xdrfile b/.travis/install.xdrfile
index 6b77b96f88aa8d11598522c59f16f3099ced0061..e30bb5a312f9b3088f660a7f5036b0504f21dc98 100755
--- a/.travis/install.xdrfile
+++ b/.travis/install.xdrfile
@@ -6,11 +6,12 @@ set -x
 cd "$(mktemp -dt plumed.XXXXXX)"
 
 echo "installing xdrfile library"
-wget ftp://ftp.gromacs.org/pub/contrib/xdrfile-1.1.4.tar.gz
+# wget ftp://ftp.gromacs.org/pub/contrib/xdrfile-1.1.4.tar.gz
 # xdrfile was removed from gromacs ftp
 # as a workaround I added a copy to people.sissa.it/~bussi/plumed
 # this complies with its license
-# wget people.sissa.it/~bussi/plumed/xdrfile-1.1.4.tar.gz
+
+wget people.sissa.it/~bussi/plumed/xdrfile-1.1.4.tar.gz
 
 tar xzf xdrfile-1.1.4.tar.gz