diff --git a/cmake_support/OST.cmake b/cmake_support/OST.cmake
index 94cadd2ff04d812c2c8aa02e63d2ec8b72f45d06..47f5c79072264b0bdbe60d55d0b4e66d3e325b79 100644
--- a/cmake_support/OST.cmake
+++ b/cmake_support/OST.cmake
@@ -719,7 +719,7 @@ macro(ost_unittest)
       else()
         set (PY_TESTS_CMD "PYTHONPATH=${python_path}  ${PYTHON_BINARY}")
         add_custom_target("${py_test}_run"
-                  sh -c "${PY_TESTS_CMD} ${CMAKE_CURRENT_SOURCE_DIR}/${py_test} || echo"
+                  sh -c "${PY_TESTS_CMD} ${CMAKE_CURRENT_SOURCE_DIR}/${py_test}"
                   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
                   COMMENT "running checks ${py_test}" VERBATIM)
         add_custom_target("${py_test}_run_xml"