diff --git a/ci/docker_install_php.sh b/ci/docker_install_php.sh
index 60ce1728e52d9dfcecf13a67ad2a4925ec8c93d4..419e69d5abb7ededd4363c79c3e9cd076d707d15 100755
--- a/ci/docker_install_php.sh
+++ b/ci/docker_install_php.sh
@@ -8,7 +8,7 @@ set -xe
 apt-get install -y libpq-dev libxml2-dev libxslt1-dev libpng-dev \
 && docker-php-ext-configure pgsql -with-pgsql=/usr/local/pgsql \
 && docker-php-ext-configure pdo_pgsql --with-pdo-pgsql \
-&& docker-php-ext-install pdo_pgsql pgsql > /dev/null \
+&& docker-php-ext-install pdo_pgsql pgsql > /dev/null 2>&1 \
 && docker-php-ext-install xsl \
 && pecl install xdebug-2.7.0RC2 \
 && docker-php-ext-enable xdebug \