diff --git a/.travis.yml b/.travis.yml
index bb170e1..a665704 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,9 +25,10 @@ install:
   - pecl install uopz
 
 before_script:
-  - echo "extension = memcache.so"  >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
+  - echo "extension = memcache.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
   - echo "extension = memcached.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
-  - echo "extension = redis.so"     >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
+  - echo "extension = redis.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
+  - echo "zend_extension = /home/travis/.phpenv/versions/$(phpenv version-name)/lib/php/extensions/no-debug-zts-20121212/uopz.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
   - echo "uopz.overloads=1"         >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
   - mysql test < tests/schema.sql
   - mkdir -p build/logs