diff --git a/.travis.yml b/.travis.yml
index 75010d8..7e84736 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,4 @@
-dist: precise
+dist: trusty
 language: php
 php:
   - '5.6'
@@ -6,6 +6,20 @@ php:
   - hhvm
   - nightly
 
+before_install:
+  # Circumvent a bug in current Travis CI builds using Ubuntu Trusty, where the
+  # include_path is wrong.
+  #
+  # Default is:
+  # - include_path='.:/home/travis/.phpenv/versions/5.6.31/share/pear'
+  #
+  # Should be:
+  # - include_path='.:/home/travis/.phpenv/versions/5.6.31/lib/php/pear'
+  #
+  # This applies to all builds except hhvm and nightly. Once the distro is fixed
+  # the following line can be removed
+  - if [[ ${TRAVIS_PHP_VERSION:0:1} == "5" || ${TRAVIS_PHP_VERSION:0:1} == "7" ]]; then echo "include_path='.:/home/travis/.phpenv/versions/$(phpenv version-name)/lib/php/pear'" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini; fi
+
 install:
   - pear channel-update pear.php.net
   - pear install PHP_CodeSniffer