diff --git a/doc/contributions.txt b/doc/contributions.txt
index 8087a870042bc9bfaf099303883a91cd1634b00b..c02c28c447306a9b12bd9850fc9753d3002e64a7 100644
--- a/doc/contributions.txt
+++ b/doc/contributions.txt
@@ -646,6 +646,7 @@ Teardrops Fall
 Techwolf Lupindo
 	SNOW-92
 	SNOW-649
+	SNOW-687
 	SNOW-680
 	SNOW-681
 	SNOW-690
@@ -656,6 +657,7 @@ Tharax Ferraris
 	VWR-605
 Thickbrick Sleaford
 	SNOW-207
+	SNOW-390
 	SNOW-421
 	SNOW-462
 	SNOW-586
diff --git a/indra/newview/llviewerobject.cpp b/indra/newview/llviewerobject.cpp
index 25cc24da95c36f85c0dc0d15cd4d03d2b01e1971..741a9e6ec475c2e9da4492fd0a733eea3fe1859d 100644
--- a/indra/newview/llviewerobject.cpp
+++ b/indra/newview/llviewerobject.cpp
@@ -1844,7 +1844,7 @@ U32 LLViewerObject::processUpdateMessage(LLMessageSystem *mesgsys,
 		if (cdp)
 		{
 			F32 ping_delay = 0.5f * mTimeDilation * ( ((F32)cdp->getPingDelay()) * 0.001f + gFrameDTClamped);
-			LLVector3 diff = getVelocity() * (0.5f*mTimeDilation*(gFrameDTClamped + ((F32)ping_delay)*0.001f)); 
+			LLVector3 diff = getVelocity() * ping_delay; 
 			new_pos_parent += diff;
 		}
 		else