diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3987eac9..5e5462f1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -279,5 +279,5 @@
 # Append FLATBUFFERS_CXX_FLAGS to CMAKE_CXX_FLAGS.
 if(DEFINED FLATBUFFERS_CXX_FLAGS)
   message(STATUS "extend CXX_FLAGS with ${FLATBUFFERS_CXX_FLAGS}")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLATBUFFERS_CXX_FLAGS}")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLATBUFFERS_CXX_FLAGS} -Wno-error=stringop-overflow")
 endif()
 message(STATUS "CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS}")