diff --git a/CTestConfig.cmake b/CTestConfig.cmake
index 2ca5cff05f275708ba2af83645e57dcaf294c97a..a32c90bc7892c3706ff5f9982ebc48d6154f2a69 100644
--- a/CTestConfig.cmake
+++ b/CTestConfig.cmake
@@ -11,3 +11,5 @@ set(CTEST_DROP_METHOD "http")
 set(CTEST_DROP_SITE "svn.astron.nl")
 set(CTEST_DROP_LOCATION "/CDash/submit.php?project=LOFAR")
 set(CTEST_DROP_SITE_CDASH TRUE)
+
+set(CTEST_CUSTOM_MAXIMUM_NUMBER_OF_WARNINGS "200")