diff --git a/src/coreclr/jit/block.cpp b/src/coreclr/jit/block.cpp
index 5fe74c76fa1c8a..88359c6d8ec7c0 100644
--- a/src/coreclr/jit/block.cpp
+++ b/src/coreclr/jit/block.cpp
@@ -983,10 +983,10 @@ unsigned JitPtrKeyFuncs<BasicBlock>::GetHashCode(const BasicBlock* ptr)
     unsigned hash = SsaStressHashHelper();
     if (hash != 0)
     {
-        return (hash ^ (ptr->bbNum << 16) ^ ptr->bbNum);
+        return (hash ^ (ptr->bbID << 16) ^ ptr->bbID);
     }
 #endif
-    return ptr->bbNum;
+    return ptr->bbID;
 }
 
 //------------------------------------------------------------------------