diff --git a/CMakeLists.txt b/CMakeLists.txt
index e4ed8cfc11..c3eed1a52d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -699,7 +699,14 @@ else()
 	# The following setting with LYX_GCC11_MODE is needed because cmake does not honor
 	# CMAKE_CXX_STANDARD while performing tests like
 	# check_cxx_source_compiles("..." HAVE_DEF_MAKE_UNIQUE)
-	set(LYX_CXX_FLAGS "-Wall -Wextra -Wno-deprecated-copy ${LYX_GCC11_MODE}${LYX_CXX_FLAGS}")
+	include(CheckCXXCompilerFlag)
+	unset(CHECK_WNODEPRECATEDCOPY_FLAG CACHE)
+	CHECK_CXX_COMPILER_FLAG("-Wno-deprecated-copy" CHECK_WNODEPRECATEDCOPY_FLAG)
+	if(${CHECK_WNODEPRECATEDCOPY_FLAG})
+		set(LYX_CXX_FLAGS "-Wall -Wextra -Wno-deprecated-copy ${LYX_GCC11_MODE}${LYX_CXX_FLAGS}")
+	else()
+		set(LYX_CXX_FLAGS "-Wall -Wextra ${LYX_GCC11_MODE}${LYX_CXX_FLAGS}")
+	endif()
 	if(LYX_STDLIB_DEBUG)
 	  set(LYX_CXX_FLAGS "${LYX_CXX_FLAGS} -D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC")
         else()