diff --git a/Makefile b/Makefile
index 018db0b..5f3d8e5 100644
--- a/Makefile
+++ b/Makefile
@@ -131,6 +131,7 @@
 	PYTHONPATH=${LOXI_OUTPUT_DIR}/pyloxi:. python py_gen/tests/of11.py
 	PYTHONPATH=${LOXI_OUTPUT_DIR}/pyloxi:. python py_gen/tests/of12.py
 	PYTHONPATH=${LOXI_OUTPUT_DIR}/pyloxi:. python py_gen/tests/of13.py
+	PYTHONPATH=${LOXI_OUTPUT_DIR}/pyloxi:. python py_gen/tests/of14.py
 
 check-c: c
 	make -j4 -C ${LOXI_OUTPUT_DIR}/locitest