diff --git a/include/vk_mem_alloc.h b/include/vk_mem_alloc.h
index 331c5e4..5b3be72 100644
--- a/include/vk_mem_alloc.h
+++ b/include/vk_mem_alloc.h
@@ -7581,7 +7581,7 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const
         // We are at the end.
         else
         {
-            if (lastOffset < size)
+            if (lastOffset < freeSpace1stTo2ndEnd)
             {
                 // There is free space from lastOffset to freeSpace1stTo2ndEnd.
                 ++unusedRangeCount;