--- a/mfbt/RangedPtr.h
+++ b/mfbt/RangedPtr.h
@@ -215,16 +215,23 @@ public:
 
   T& operator*() const
   {
     MOZ_ASSERT(mPtr >= mRangeStart);
     MOZ_ASSERT(mPtr < mRangeEnd);
     return *mPtr;
   }
 
+  T* operator->() const
+  {
+    MOZ_ASSERT(mPtr >= mRangeStart);
+    MOZ_ASSERT(mPtr < mRangeEnd);
+    return mPtr;
+  }
+
   template <typename U>
   bool operator==(const RangedPtr<U>& aOther) const
   {
     return mPtr == aOther.mPtr;
   }
   template <typename U>
   bool operator!=(const RangedPtr<U>& aOther) const
   {