diff --git a/src/hotspot/share/opto/node.hpp b/src/hotspot/share/opto/node.hpp
index 29b57d674f5..221491f9795 100644
--- a/src/hotspot/share/opto/node.hpp
+++ b/src/hotspot/share/opto/node.hpp
@@ -763,7 +763,7 @@ public:
     DEFINE_CLASS_ID(Move,     Node, 17)
     DEFINE_CLASS_ID(LShift,   Node, 18)
 
-    _max_classes  = ClassMask_Move
+    _max_classes  = ClassMask_LShift
   };
   #undef DEFINE_CLASS_ID