diff --git a/cmake/Autoconfig.cmake b/cmake/Autoconfig.cmake
index 148577d..833b1ef 100644
--- a/cmake/Autoconfig.cmake
+++ b/cmake/Autoconfig.cmake
@@ -4,6 +4,8 @@ function(check_support var source includes libraries definitions)
   list(APPEND CMAKE_REQUIRED_INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
   set(CMAKE_REQUIRED_LIBRARIES "${libraries}")
   set(CMAKE_REQUIRED_DEFINITIONS "${definitions}")
+  set(CMAKE_CXX_STANDARD 11)
+  set(CMAKE_CXX_STANDARD_REQUIRED ON)
   string(CONCAT full_source "#include \"${source}\"" ${nonce})
   check_cxx_source_compiles(${full_source} ${var})
   set(${var} ${${var}} PARENT_SCOPE)