From a10274665dc5eb8828c541dfd025ef2e6a718a9a Mon Sep 17 00:00:00 2001
From: Julian Smith <jules@op59.net>
Date: Mon, 22 Jul 2019 15:02:18 +0100
Subject: [PATCH] Nasal/view.nas: pilot_view_limiter: protect against nil.

---
 Nasal/view.nas | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Nasal/view.nas b/Nasal/view.nas
index 3a3628f66..0575ee420 100644
--- a/Nasal/view.nas
+++ b/Nasal/view.nas
@@ -581,7 +581,7 @@ var pilot_view_limiter = {
 				offset = (me.right.threshold - hdg) * me.right.scale;
 
 			var new_offset = me.xoffset_lowpass.filter(offset);
-			me.xoffsetN.setDoubleValue(me.xoffsetN.getValue() - me.last_offset + new_offset);
+			me.xoffsetN.setDoubleValue((me.xoffsetN.getValue() or 0) - me.last_offset + new_offset);
 			me.last_offset = new_offset;
 		}
 		return 0;