diff --git a/presto-native-execution/presto_cpp/main/types/PrestoToVeloxExpr.cpp b/presto-native-execution/presto_cpp/main/types/PrestoToVeloxExpr.cpp
index d0085c8af967e..b33c64f10cfae 100644
--- a/presto-native-execution/presto_cpp/main/types/PrestoToVeloxExpr.cpp
+++ b/presto-native-execution/presto_cpp/main/types/PrestoToVeloxExpr.cpp
@@ -611,6 +611,22 @@ TypedExprPtr convertDereferenceExpr(
 
   return std::make_shared<FieldAccessTypedExpr>(returnType, input, childName);
 }
+
+TypedExprPtr convertNullIfExpr(
+    const velox::TypePtr& returnType,
+    const std::vector<TypedExprPtr>& args) {
+  VELOX_CHECK_EQ(args.size(), 2);
+
+  // Convert nullif(a, b) to if(a = b, null, a).
+
+  std::vector<TypedExprPtr> newArgs = {
+      std::make_shared<CallTypedExpr>(
+          velox::BOOLEAN(), args, "presto.default.eq"),
+      std::make_shared<ConstantTypedExpr>(
+          returnType, velox::variant::null(returnType->kind())),
+      args[0]};
+  return std::make_shared<CallTypedExpr>(returnType, newArgs, "if");
+}
 } // namespace
 
 TypedExprPtr VeloxExprConverter::toVeloxExpr(
@@ -641,7 +657,7 @@ TypedExprPtr VeloxExprConverter::toVeloxExpr(
   }
 
   if (pexpr->form == protocol::Form::NULL_IF) {
-    VELOX_UNSUPPORTED("NULLIF not supported natively");
+    return convertNullIfExpr(returnType, args);
   }
 
   auto form = std::string(json(pexpr->form));