diff --git a/wxdata/wxdata.cmake b/wxdata/wxdata.cmake
index 42e07cce..54c5574b 100644
--- a/wxdata/wxdata.cmake
+++ b/wxdata/wxdata.cmake
@@ -255,7 +255,10 @@ source_group("Source Files\\wsr88d\\rpg" FILES ${SRC_WSR88D_RPG})
 
 try_compile(HAS_FULL_CHRONO
             ${CMAKE_BINARY_DIR}
-            ${PROJECT_SOURCE_DIR}/source/cpp-feature-tests/chrono_feature_test.cpp)
+            ${PROJECT_SOURCE_DIR}/source/cpp-feature-tests/chrono_feature_test.cpp
+            CXX_STANDARD 20
+            CXX_STANDARD_REQUIRED ON
+            CXX_EXTENSIONS OFF)
 
 target_include_directories(wxdata PRIVATE ${Boost_INCLUDE_DIR}
                                           ${HSLUV_C_INCLUDE_DIR}