diff --git a/tutorial/cpp/Makefile.am b/tutorial/cpp/Makefile.am
index bcc7654..e895b03 100755
--- a/tutorial/cpp/Makefile.am
+++ b/tutorial/cpp/Makefile.am
@@ -16,7 +16,8 @@
 # specific language governing permissions and limitations
 # under the License.
 #
-.NOTPARALLEL:
+AUTOMAKE_OPTIONS = subdir-objects serial-tests
+
 noinst_LTLIBRARIES = libtutorialgencpp.la
 nodist_libtutorialgencpp_la_SOURCES = \
 	gen-cpp/Calculator.cpp \