let's see if the xenial version of astyle is better
diff --git a/.travis.yml b/.travis.yml
index 8461004..047939d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,9 @@
# #
#############################################################################
+# Run the tests based on Ubuntu 16.04
+dist: xenial
+
# Compilation failures are in gcc_errors_*.log
# Failed tests in test_*.log
# Files do not exist in case of success