--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -223,7 +223,7 @@ if( ZMQPP_BUILD_TESTS )
     src/tests/test_proxy.cpp
     )
   target_link_libraries( zmqpp-test-runner  ${LIB_TO_LINK_TO_EXAMPLES} ${Boost_LIBRARIES})
-  add_test( zmqpp-test zmqpp-test-runner --log-level=test-suite )
+  add_test( zmqpp-test zmqpp-test-runner --log_level=test_suite )
 endif()