diff --git a/CMakeLists.txt b/CMakeLists.txt
index 496f954206..605b892673 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,6 +21,7 @@ macro_ensure_out_of_source_build("${PROJECT_NAME} requires an out of source buil
 
 # add macros
 include(MacroAddPlugin)
+include(MacroCopyFile)
 
 if (WITH_LOG4C)
   find_package(LOG4C REQUIRED)
@@ -30,6 +31,8 @@ find_package(Check)
 include(ConfigureChecks.cmake)
 configure_file(config.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config.h)
 
+macro_copy_file(${CMAKE_CURRENT_SOURCE_DIR}/CTestCustom.cmake ${CMAKE_CURRENT_BINARY_DIR}/CTestCustom.cmake)
+
 add_subdirectory(iniparser/src)
 add_subdirectory(src)
 add_subdirectory(client)
diff --git a/CTestConfig.cmake b/CTestConfig.cmake
index 1d91ae17f4..c077481667 100644
--- a/CTestConfig.cmake
+++ b/CTestConfig.cmake
@@ -1,8 +1,4 @@
 set(UPDATE_TYPE "true")
-set(CTEST_CUSTOM_MEMCHECK_IGNORE
-  ${CTEST_CUSTOM_MEMCHECK_IGNORE}
-  check_std_c_jhash
-)
 
 set(CTEST_PROJECT_NAME "csync")
 set(CTEST_NIGHTLY_START_TIME "23:00:00 CET")
diff --git a/CTestCustom.cmake b/CTestCustom.cmake
new file mode 100644
index 0000000000..4afc9ab6a1
--- /dev/null
+++ b/CTestCustom.cmake
@@ -0,0 +1,4 @@
+set(CTEST_CUSTOM_MEMCHECK_IGNORE
+  ${CTEST_CUSTOM_MEMCHECK_IGNORE}
+  check_std_c_jhash
+)