diff --git a/include/blt/std/memory.h b/include/blt/std/memory.h
index 50f6a15..3d19db7 100755
--- a/include/blt/std/memory.h
+++ b/include/blt/std/memory.h
@@ -227,12 +227,12 @@ namespace blt
                 return _buffer;
             }
             
-            inline T*& ptr() const
+            inline const T* const& ptr() const
             {
                 return _buffer;
             }
             
-            inline T*& data() const
+            inline const T* const& data() const
             {
                 return _buffer;
             }