From f45281f5a0cdb9e1de482a047aa49156fbc8f92f Mon Sep 17 00:00:00 2001
From: Konstantin Zaitsev <konstantin.zaitsev@xored.com>
Date: Thu, 12 Sep 2019 14:50:02 +0700
Subject: [PATCH] Fix possible double free memory on exit

---
 godot.nimble           | 2 +-
 godot/nim/godotnim.nim | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/godot.nimble b/godot.nimble
index 6964c83..66794fc 100644
--- a/godot.nimble
+++ b/godot.nimble
@@ -1,4 +1,4 @@
-version = "0.7.19"
+version = "0.7.20"
 author = "Xored Software, Inc."
 description = "Godot Engine bindings"
 license = "MIT"
diff --git a/godot/nim/godotnim.nim b/godot/nim/godotnim.nim
index 979613f..d3fa9cf 100644
--- a/godot/nim/godotnim.nim
+++ b/godot/nim/godotnim.nim
@@ -189,8 +189,8 @@ proc nimGodotObjectFinalizer*[T: NimGodotObject](obj: T) =
   if obj.godotObject.isNil or obj.isNative: return
   # important to set it before so that ``unreference`` is aware
   obj.isFinalized = true
-  if obj.isRef and obj.godotObject.unreference() or
-     not obj.linkedObject.isNil:
+  if (obj.isRef or not obj.linkedObject.isNil and obj.linkedObject.isRef) and 
+     obj.godotObject.unreference():
     obj.deinit()
 
 macro baseNativeType(T: typedesc): cstring =