diff --git a/CTestCustom.cmake.in b/CTestCustom.cmake.in
index 3e583b0da..1f8c1336a 100644
--- a/CTestCustom.cmake.in
+++ b/CTestCustom.cmake.in
@@ -1,2 +1,3 @@
 set(CTEST_CUSTOM_WARNING_MATCH ${CTEST_CUSTOM_WARNING_MATCH}
    "{standard input}:[0-9][0-9]*: [wW]arning: ")
+set(CTEST_CUSTOM_MAXIMUM_PASSED_TEST_OUTPUT_SIZE 8192)