diff --git a/.gitignore b/.gitignore
index 16d0ce7b..3fcff995 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,6 +26,7 @@ tests/test_reqrep_inproc
 tests/test_reqrep_ipc
 tests/test_reqrep_tcp
 tests/test_shutdown_stress
+tests/test_hwm
 src/platform.hpp*
 src/stamp-h1
 devices/zmq_forwarder/zmq_forwarder