diff --git a/.travis.yml b/.travis.yml
index f07e7de568..1eaa6cefbc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -107,6 +107,7 @@ before_install:
       tpecl () {
           local ext_name=$1
           local ext_so=$2
+          local INI=$3
           local ext_dir=$(php -r "echo ini_get('extension_dir');")
           local ext_cache=php-ext/$(basename $ext_dir)/$ext_name
 
@@ -139,11 +140,11 @@ before_install:
       # Install extra PHP extensions
       if [[ ! $skip && $PHP = 5.* ]]; then
           ([[ $deps ]] || tfold ext.symfony_debug 'cd src/Symfony/Component/Debug/Resources/ext && phpize && ./configure && make && echo extension = $(pwd)/modules/symfony_debug.so >> '"$INI")
-          tfold ext.memcached tpecl memcached-2.1.0 memcached.so
-          tfold ext.apcu tpecl apcu-4.0.11 apcu.so
+          tfold ext.memcached tpecl memcached-2.1.0 memcached.so $INI
+          tfold ext.apcu tpecl apcu-4.0.11 apcu.so $INI
       elif [[ ! $skip && $PHP = 7.* ]]; then
-          tfold ext.apcu tpecl apcu-5.1.6 apcu.so
-          tfold ext.mongodb tpecl mongodb-1.4.0RC1 mongodb.so
+          tfold ext.apcu tpecl apcu-5.1.6 apcu.so $INI
+          tfold ext.mongodb tpecl mongodb-1.4.0RC1 mongodb.so $INI
       fi
 
 install: