diff --git a/CTestConfig.cmake b/CTestConfig.cmake
index 317236e0..b8749960 100644
--- a/CTestConfig.cmake
+++ b/CTestConfig.cmake
@@ -1,4 +1,5 @@
 set(CTEST_PROJECT_NAME "PolyVox")
+set(CTEST_NIGHTLY_START_TIME "00:00:00 GMT")
 
 set(CTEST_DROP_METHOD "http")
 set(CTEST_DROP_SITE "my.cdash.org")