diff --git a/CTestConfig.cmake b/CTestConfig.cmake
index cac94542805a186d6b8d36ccab73bbd3987da637..3b41ea6f8844a1c4a4c7e7e27742911187ac6949 100644
--- a/CTestConfig.cmake
+++ b/CTestConfig.cmake
@@ -11,3 +11,17 @@ set(CTEST_DROP_METHOD "http")
 set(CTEST_DROP_SITE "kb-pdwg1059-06.pz.unibas.ch")
 set(CTEST_DROP_LOCATION "/cdash/submit.php?project=OpenStructure")
 set(CTEST_DROP_SITE_CDASH TRUE)
+
+if ("${CMAKE_NATIVE_ARCH}" MATCHES "64")
+  set(CMAKE_SYSTEM_NAME "${CMAKE_SYSTEM_NAME}64bit")
+endif()
+if (NOT ENABLE_IMG)
+  set(CMAKE_SYSTEM_NAME "${CMAKE_SYSTEM_NAME}-no_img")
+endif()
+if (NOT ENABLE_GFX)
+  set(CMAKE_SYSTEM_NAME "${CMAKE_SYSTEM_NAME}-no_gfx")
+endif()
+if (NOT ENABLE_UI)
+  set(CMAKE_SYSTEM_NAME "${CMAKE_SYSTEM_NAME}-no_ui")
+endif()
+message("BUILD ${CMAKE_SYSTEM_NAME}")