diff --git a/include/utility/IHashable.h b/include/utility/IHashable.h
index 6df6ed0..117ad01 100644
--- a/include/utility/IHashable.h
+++ b/include/utility/IHashable.h
@@ -51,7 +51,7 @@ class IHashable
  * way to declare a single specialization for these functors since template 
  * containers are instantiated using the most derived type.
  */
-#define HASHABLE_STL_HELPER_DECLARATION(hashable) \
+#define LU_HASHABLE_STL_HELPER_DECLARATION(hashable) \
   namespace std { \
     template<> \
     struct hash<hashable> { \