From 4bcbcf7ae74cae1dd3f3c79bdfa9eee069da91da Mon Sep 17 00:00:00 2001
From: Pavel Marek <pavel.marek@enso.org>
Date: Thu, 23 Feb 2023 11:29:35 +0100
Subject: [PATCH] Nan is a separate builtin type

---
 .../src/main/java/org/enso/interpreter/runtime/type/Types.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/engine/runtime/src/main/java/org/enso/interpreter/runtime/type/Types.java b/engine/runtime/src/main/java/org/enso/interpreter/runtime/type/Types.java
index eff4aba698322..629f3b2dc5894 100644
--- a/engine/runtime/src/main/java/org/enso/interpreter/runtime/type/Types.java
+++ b/engine/runtime/src/main/java/org/enso/interpreter/runtime/type/Types.java
@@ -257,7 +257,7 @@ private static TypeGraph buildTypeHierarchy() {
     graph.insert(ConstantsGen.ARRAY, ConstantsGen.ANY);
     graph.insert(ConstantsGen.BOOLEAN, ConstantsGen.ANY);
     graph.insert(ConstantsGen.DECIMAL, ConstantsGen.NUMBER);
-    graph.insert(ConstantsGen.NAN, ConstantsGen.NUMBER);
+    graph.insert(ConstantsGen.NAN, ConstantsGen.DECIMAL);
     graph.insert(ConstantsGen.ERROR, ConstantsGen.ANY);
     graph.insert(ConstantsGen.FUNCTION, ConstantsGen.ANY);
     graph.insert(ConstantsGen.INTEGER, ConstantsGen.NUMBER);