diff --git a/Utilities/Release/win64_release.cmake b/Utilities/Release/win64_release.cmake
index cc1f37fad..b2d4ad167 100644
--- a/Utilities/Release/win64_release.cmake
+++ b/Utilities/Release/win64_release.cmake
@@ -26,4 +26,8 @@ set(CXXFLAGS "${ppflags}")
 set(ENV ". ~/rel/env64")
 get_filename_component(path "${CMAKE_CURRENT_LIST_FILE}" PATH)
 set(GIT_EXTRA "git config core.autocrlf true")
+if(CMAKE_CREATE_VERSION STREQUAL "nightly")
+  # Some tests fail spuriously too often.
+  set(EXTRA_CTEST_ARGS "-E Qt5Autogen")
+endif()
 include(${path}/release_cmake.cmake)