diff --git a/mfbt/Char16.h b/mfbt/Char16.h
index 3d129332b43a..380303a925f0 100644
--- a/mfbt/Char16.h
+++ b/mfbt/Char16.h
@@ -56,6 +56,12 @@ public:
   {
     return reinterpret_cast<const wchar_t*>(mPtr);
   }
+
+  operator wchar_t*()
+  {
+    return const_cast<wchar_t*>(reinterpret_cast<const wchar_t*>(mPtr));
+  }
+
   operator const void*() const
   {
     return mPtr;