diff --git a/Core/Memory/HeapAllocators/Xalloc/Xalloc.hpp b/Core/Memory/HeapAllocators/Xalloc/Xalloc.hpp
index 9a484f8..ab03876 100644
--- a/Core/Memory/HeapAllocators/Xalloc/Xalloc.hpp
+++ b/Core/Memory/HeapAllocators/Xalloc/Xalloc.hpp
@@ -8,6 +8,7 @@
 typedef long unsigned Xuint64_t;
 typedef long unsigned Xsize_t;
 
+#define Xalloc_StopOnFail true
 #define Xalloc_PAGE_SIZE PAGE_SIZE
 #define Xalloc_trace(m, ...) trace(m, ##__VA_ARGS__)
 #define Xalloc_warn(m, ...) warn(m, ##__VA_ARGS__)
diff --git a/Core/Memory/HeapAllocators/Xalloc/XallocV1.cpp b/Core/Memory/HeapAllocators/Xalloc/XallocV1.cpp
index f7fba53..4671428 100644
--- a/Core/Memory/HeapAllocators/Xalloc/XallocV1.cpp
+++ b/Core/Memory/HeapAllocators/Xalloc/XallocV1.cpp
@@ -150,7 +150,10 @@ namespace Xalloc
         {
             if (!CurrentBlock->Check())
             {
-                Xalloc_err("Block %#lx checksum failed!", (Xuint64_t)CurrentBlock);
+                Xalloc_err("Block %#lx has an invalid checksum! (%#x != %#x)",
+                           (Xuint64_t)CurrentBlock, CurrentBlock->Checksum, Xalloc_BlockChecksum);
+                while (Xalloc_StopOnFail)
+                    ;
             }
             else if (CurrentBlock->IsFree && CurrentBlock->Size >= Size)
             {
@@ -190,6 +193,8 @@ namespace Xalloc
             if (!CurrentBlock->Check())
             {
                 Xalloc_err("Block %#lx checksum failed!", (Xuint64_t)CurrentBlock);
+                while (Xalloc_StopOnFail)
+                    ;
             }
             else if (CurrentBlock->Address == Address)
             {