diff --git a/.travis.yml b/.travis.yml
index 519031bc78..3140cb88d2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,7 +23,7 @@ before_script:
   - mysql -e 'SET @@global.sql_mode= "";'
   - mysql -e 'SET @@global.wait_timeout= 999999;'
   - git clone git://github.com/alchemy-fr/Phraseanet-Extension.git
-  - sh -c "cd Phraseanet-Extension && ./configure --quiet && make --quiet && sudo make install"
+  - sh -c "cd Phraseanet-Extension && phpize && ./configure --quiet && make --quiet && sudo make install"
   - echo "extension=phrasea2.so" >> `php --ini | grep "Loaded Configuration" | sed -e "s|.*:\s*||"`
   - git clone git://github.com/alchemy-fr/Phraseanet-Indexer.git
   - sh -c "cd Phraseanet-Indexer && aclocal && automake -a && autoconf && ./configure --quiet && make --quiet && sudo cp phraseanet_indexer /usr/local/bin"