diff --git a/src/util/Buffer.hpp b/src/util/Buffer.hpp
index 8b86d2bf..a721e646 100644
--- a/src/util/Buffer.hpp
+++ b/src/util/Buffer.hpp
@@ -67,7 +67,7 @@ namespace util {
         }
 
         const T* end() const {
-            return ptr.get() + size;
+            return ptr.get() + length;
         }
     };
 }