diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8134f02bf..c71473b0c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ include(CTest)
 enable_testing()
 set(CMAKE_MODULE_PATH ${LAPACK_SOURCE_DIR} ${CMAKE_MODULE_PATH})
 include(CheckTimeFunction)
-CHECK_TIME_FUNCTION(NONE TIME_FUNC)
+set(TIME_FUNC NONE ${TIME_FUNC})
 CHECK_TIME_FUNCTION(INT_CPU_TIME TIME_FUNC)
 CHECK_TIME_FUNCTION(EXT_ETIME TIME_FUNC)
 CHECK_TIME_FUNCTION(EXT_ETIME_ TIME_FUNC)