diff --git a/binding.gyp b/binding.gyp
index 150d686..2df166d 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -35,6 +35,8 @@
               ]
             }
           }
+        }, {
+          "cflags": ["-O2", "-D_FORTIFY_SOURCE=2"]
         }]
       ]
     }