diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3bc5774d5..73819e1e8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -344,6 +344,7 @@ if(NOT MSVC AND NOT HAIKU)
   add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wshadow=global) # gcc
   add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wthread-safety)
   add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wsuggest-override)
+  add_linker_flag_if_supported(OUR_FLAGS_LINK -Wno-alloc-size-larger-than) # save.cpp with LTO
   # add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wdouble-promotion) # Many occurences
   # add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wnull-dereference) # Many occurences
   # add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wuseless-cast) # TODO: Enable for C++ code except gtest