1 files changed, 1 insertions, 2 deletions
diff --git a/tools/dockerfile/stress_test/grpc_interop_stress_php/build_interop_stress.sh b/tools/dockerfile/stress_test/grpc_interop_stress_php/build_interop_stress.sh
index 87262f1d62..34fd09f78b 100755
--- a/tools/dockerfile/stress_test/grpc_interop_stress_php/build_interop_stress.sh
+++ b/tools/dockerfile/stress_test/grpc_interop_stress_php/build_interop_stress.sh
@@ -38,7 +38,6 @@ git clone --recursive /var/local/jenkins/grpc /var/local/git/grpc
 cp -r /var/local/jenkins/service_account $HOME || true
 
 cd /var/local/git/grpc
-rvm --default use ruby-2.1
 
 make install-certs
 
@@ -51,4 +50,4 @@ make install
 
 (cd src/php && composer install)
 
-(cd src/php && protoc-gen-php -i tests/interop/ -o tests/interop/ tests/interop/test.proto)
+(cd src/php && ./bin/generate_proto_php.sh)