diff --git a/OsmAnd/src/net/osmand/plus/routing/VoiceRouter.java b/OsmAnd/src/net/osmand/plus/routing/VoiceRouter.java
index 704c20951f..3afede78b5 100644
--- a/OsmAnd/src/net/osmand/plus/routing/VoiceRouter.java
+++ b/OsmAnd/src/net/osmand/plus/routing/VoiceRouter.java
@@ -186,7 +186,7 @@ public class VoiceRouter {
 			btScoDelayDistance = currentSpeed * (double) AbstractPrologCommandPlayer.BT_SCO_DELAY / 1000;
 		}
 
-		if((dist < etalon + btScoDelayDistance) || ((dist / currentSpeed) < ((etalon + btScoDelayDistance) / defSpeed))){
+		if((dist < etalon + btScoDelayDistance) || ((dist - btScoDelayDistance) / currentSpeed) < (etalon / defSpeed))){
 			return true;
 		}
 		return false;