diff --git a/runtime/verifier/reg_type.cc b/runtime/verifier/reg_type.cc
index 63f0ff4..c6f3e5c 100644
--- a/runtime/verifier/reg_type.cc
+++ b/runtime/verifier/reg_type.cc
@@ -777,7 +777,7 @@
 }
 
 static const RegType& SelectNonConstant(const RegType& a, const RegType& b) {
-  return a.IsConstant() ? b : a;
+  return a.IsConstantTypes() ? b : a;
 }
 
 const RegType& RegType::Merge(const RegType& incoming_type, RegTypeCache* reg_types) const {