diff --git a/tools/internal_ci/linux/sanitizer/grpc_cpp_asan.sh b/tools/internal_ci/linux/sanitizer/grpc_cpp_asan.sh
index c3bf79b1fb57b057f8fb3b9845f8e494c34692e9..47ccb26f878349232ad79ed07ae2b56de7620ff8 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 c72a106c91af9a67be6c4130418ab30ea25ced94..ee3ec5ebb08023b6ec6a5a3aa4617639c44ed793 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