diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index ea03ee4..73abfb9 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -18,8 +18,8 @@ if (GCOV_ENABLE)
 	# pass, .ctest-finished is created and we can check for its existance after generating the report to determine if the overall
 	# build result is a pass or fail. 
 	add_custom_target(test_run_all
-		COMMAND cd ${PROJECT_BINARY_DIR} 
-		COMMAND env CTEST_OUTPUT_ON_FAILURE=1 ctest --timeout 30 && ${CMAKE_COMMAND} -E touch .ctest-finished || exit 0
+		COMMAND cd ${PROJECT_BINARY_DIR}
+		COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure --timeout 30 && ${CMAKE_COMMAND} -E touch .ctest-finished || exit 0
 		DEPENDS tests_clean tests
 	)