diff --git a/src/coreclr/vm/loaderallocator.hpp b/src/coreclr/vm/loaderallocator.hpp
index 6271692294550..99086cd3cd09d 100644
--- a/src/coreclr/vm/loaderallocator.hpp
+++ b/src/coreclr/vm/loaderallocator.hpp
@@ -332,7 +332,7 @@ class LoaderAllocator
     bool                m_fTerminated;
     bool                m_fMarked;
     int                 m_nGCCount;
-    BYTE                m_IsCollectible;
+    const BYTE          m_IsCollectible;
 
     // Pre-allocated blocks of heap for collectible assemblies. Will be set to NULL as soon as it is
     // used. See code in GetVSDHeapInitialBlock and GetCodeHeapInitialBlock