diff --git a/src/osgPlugins/fbx/CMakeLists.txt b/src/osgPlugins/fbx/CMakeLists.txt
index 130e85a2d..e6569fbfe 100644
--- a/src/osgPlugins/fbx/CMakeLists.txt
+++ b/src/osgPlugins/fbx/CMakeLists.txt
@@ -24,6 +24,7 @@ IF(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
     REMOVE_CXX_FLAG(-pedantic)
     REMOVE_CXX_FLAG(-Wall)
     REMOVE_CXX_FLAG(-Wunused)
+    REMOVE_CXX_FLAG(-Wextra)
 ENDIF()
 
 IF(WIN32)