SERVER-8634: make _v8_function read-only

1 files changed, 1 insertions, 1 deletions

diff --git a/src/mongo/scripting/engine_v8.cpp b/src/mongo/scripting/engine_v8.cpp
index 4ab7f83112b..98dd88c3c9c 100644
--- a/src/mongo/scripting/engine_v8.cpp
+++ b/src/mongo/scripting/engine_v8.cpp
@@ -1109,7 +1109,7 @@ namespace mongo {
         v8::Handle<v8::FunctionTemplate> ft = v8::FunctionTemplate::New(v8Callback,
                                                                         v8::External::New(this));
         ft->Set(v8::String::New("_v8_function"), v8::External::New(reinterpret_cast<void*>(func)),
-                                                       v8::DontEnum);
+                static_cast<v8::PropertyAttribute>(v8::DontEnum | v8::ReadOnly));
         return ft;
     }