diff --git a/cmake/Endian.cmake b/cmake/Endian.cmake
index 3bfba653ca..676208bf87 100644
--- a/cmake/Endian.cmake
+++ b/cmake/Endian.cmake
@@ -3,12 +3,23 @@
 # add_endian_definition()
 #
 function(add_endian_definition)
-    include(TestBigEndian)
-    TEST_BIG_ENDIAN(IS_BIG_ENDIAN)
+    
+    if(CMAKE_VERSION VERSION_LESS "3.20.0") 
+        include(TestBigEndian)
+        TEST_BIG_ENDIAN(IS_BIG_ENDIAN)
+        if(IS_BIG_ENDIAN)
+            add_definitions(-DTTD_ENDIAN=TTD_BIG_ENDIAN)
+        else()
+            add_definitions(-DTTD_ENDIAN=TTD_LITTLE_ENDIAN)
+        endif()
 
-    if(IS_BIG_ENDIAN)
-        add_definitions(-DTTD_ENDIAN=TTD_BIG_ENDIAN)
     else()
-        add_definitions(-DTTD_ENDIAN=TTD_LITTLE_ENDIAN)
+        if(CMAKE_<LANG>_BYTE_ORDER EQUAL BIG_ENDIAN)
+            add_definitions(-DTTD_ENDIAN=TTD_BIG_ENDIAN)
+        else()
+            add_definitions(-DTTD_ENDIAN=TTD_LITTLE_ENDIAN)
+        endif()
+
     endif()
+
 endfunction()