diff --git a/Core/Memory/HeapAllocators/Xalloc/XallocV1.cpp b/Core/Memory/HeapAllocators/Xalloc/XallocV1.cpp
index 4671428..b8602d2 100644
--- a/Core/Memory/HeapAllocators/Xalloc/XallocV1.cpp
+++ b/Core/Memory/HeapAllocators/Xalloc/XallocV1.cpp
@@ -212,7 +212,7 @@ namespace Xalloc
             CurrentBlock = CurrentBlock->Next;
         }
 
-        Xalloc_err("Invalid address.");
+        Xalloc_err("Invalid address %#lx.", Address);
         Xalloc_unlock;
     }