Build in the correct directory
diff --git a/tools/run_tests/build_php.sh b/tools/run_tests/build_php.sh
index 996ddce..ca4f736 100755
--- a/tools/run_tests/build_php.sh
+++ b/tools/run_tests/build_php.sh
@@ -15,8 +15,7 @@
 
 cd ext/grpc
 phpize
-cd ../..
-ext/grpc/configure
+./configure
 #cd ext/grpc
 make