diff --git a/cfg/windows.cfg b/cfg/windows.cfg
index 3e27160a2..d17cfdf80 100644
--- a/cfg/windows.cfg
+++ b/cfg/windows.cfg
@@ -1165,7 +1165,7 @@
     <dealloc>ExFreePoolWithTag</dealloc>
   </memory>
   <memory>
-    <alloc>HeapAlloc</alloc>
+    <alloc buffer-size="malloc:3">HeapAlloc</alloc>
     <alloc>HeapReAlloc</alloc>
     <dealloc arg="3">HeapFree</dealloc>
   </memory>