1 files changed, 6 insertions, 1 deletions
diff --git a/tools/internal_ci/windows/grpc_portability_master.cfg b/tools/internal_ci/windows/grpc_portability_master.cfg
index 85f6927254..c395cb4a94 100644
--- a/tools/internal_ci/windows/grpc_portability_master.cfg
+++ b/tools/internal_ci/windows/grpc_portability_master.cfg
@@ -15,7 +15,7 @@
 # Config file for the internal CI (in protobuf text format)
 
 # Location of the continuous shell script in repository.
-build_file: "grpc/tools/internal_ci/windows/grpc_portability_master.bat"
+build_file: "grpc/tools/internal_ci/windows/grpc_run_tests_matrix.bat"
 timeout_mins: 360
 action {
   define_artifacts {
@@ -23,3 +23,8 @@ action {
     regex: "github/grpc/reports/**"
   }
 }
+
+env_vars {
+  key: "RUN_TESTS_FLAGS"
+  value: "-f portability windows -j 1 --inner_jobs 8 --internal_ci"
+}