diff --git a/tools/gce/linux_performance_worker_init.sh b/tools/gce/linux_performance_worker_init.sh
index 210bbbd3a26..88d8de74028 100755
--- a/tools/gce/linux_performance_worker_init.sh
+++ b/tools/gce/linux_performance_worker_init.sh
@@ -129,7 +129,6 @@ ruby -v
 gem install bundler
 
 # PHP dependencies
-
 sudo apt-get install -y php php-dev phpunit php-pear unzip zlib1g-dev
 curl -sS https://getcomposer.org/installer | php
 sudo mv composer.phar /usr/local/bin/composer
diff --git a/tools/run_tests/performance/run_worker_php.sh b/tools/run_tests/performance/run_worker_php.sh
index ebedae8795d..15cee151f88 100755
--- a/tools/run_tests/performance/run_worker_php.sh
+++ b/tools/run_tests/performance/run_worker_php.sh
@@ -36,9 +36,7 @@ repo=$(dirname $0)/../../..
 # First set up all dependences needed for PHP QPS test
 cd $repo
 cd src/php/tests/qps
-curl -sS https://getcomposer.org/installer | php
-php composer.phar install
-
+composer install
 # The proxy worker for PHP is implemented in Ruby
-cd $repo
-ruby src/ruby/qps/proxy-worker.rb $@
+cd ../../../..
+ruby src/ruby/qps/proxy-worker.rb $@
\ No newline at end of file