diff --git a/tools/internal_ci/linux/sanitizer/grpc_cpp_asan.sh b/tools/internal_ci/linux/sanitizer/grpc_cpp_asan.sh
index c3bf79b1fb5..47ccb26f878 100755
--- a/tools/internal_ci/linux/sanitizer/grpc_cpp_asan.sh
+++ b/tools/internal_ci/linux/sanitizer/grpc_cpp_asan.sh
@@ -37,4 +37,4 @@ git submodule update --init
 
 # download docker images from dockerhub
 export DOCKERHUB_ORGANIZATION=grpctesting
-tools/run_tests/run_tests_matrix.py -f cpp asan
+tools/run_tests/run_tests_matrix.py -f c++ asan
diff --git a/tools/internal_ci/linux/sanitizer/grpc_cpp_tsan.sh b/tools/internal_ci/linux/sanitizer/grpc_cpp_tsan.sh
index c72a106c91a..ee3ec5ebb08 100755
--- a/tools/internal_ci/linux/sanitizer/grpc_cpp_tsan.sh
+++ b/tools/internal_ci/linux/sanitizer/grpc_cpp_tsan.sh
@@ -37,4 +37,4 @@ git submodule update --init
 
 # download docker images from dockerhub
 export DOCKERHUB_ORGANIZATION=grpctesting
-tools/run_tests/run_tests_matrix.py -f cpp tsan
+tools/run_tests/run_tests_matrix.py -f c++ tsan