From 8383aedb64450436fc262d59b08a9c7988fd14d9 Mon Sep 17 00:00:00 2001
From: Alex Sytnyk <asytnyk0@gmail.com>
Date: Wed, 12 Sep 2018 16:53:41 +0300
Subject: [PATCH] Fix #5785

---
 OsmAnd/src/net/osmand/plus/views/RulerControlLayer.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/OsmAnd/src/net/osmand/plus/views/RulerControlLayer.java b/OsmAnd/src/net/osmand/plus/views/RulerControlLayer.java
index a19bd37a5d..7a7af6063e 100644
--- a/OsmAnd/src/net/osmand/plus/views/RulerControlLayer.java
+++ b/OsmAnd/src/net/osmand/plus/views/RulerControlLayer.java
@@ -333,7 +333,8 @@ public class RulerControlLayer extends OsmandMapLayer {
 	}
 
 	private void updateData(RotatedTileBox tb, QuadPoint center) {
-		if (tb.getPixHeight() > 0 && tb.getPixWidth() > 0 && maxRadiusInDp > 0) {
+		if (tb.getPixHeight() > 0 && tb.getPixWidth() > 0 && maxRadiusInDp > 0
+				&& !Double.isNaN(tb.getLatitude()) && !Double.isNaN(tb.getLongitude())) {
 			if (cacheCenter.y != center.y || cacheCenter.x != center.x) {
 				cacheCenter = center;
 				updateCenter(tb, center);