diff --git a/AMBuildScript b/AMBuildScript
index bcea765e..b1c0ca0f 100644
--- a/AMBuildScript
+++ b/AMBuildScript
@@ -91,11 +91,13 @@ class AMXXConfig(object):
         '-Wall',
         '-Werror',
         '-Wno-uninitialized',
-        '-Wno-invalid-offsetof',
         '-Wno-unused',
         '-Wno-switch',
         '-m32',
       ]
+      cfg.cxxflags += [
+        '-Wno-invalid-offsetof',
+      ]
 
       cfg.linkflags += ['-m32']