diff --git a/src/Marble.hx b/src/Marble.hx
index ccbba369..24179bbb 100644
--- a/src/Marble.hx
+++ b/src/Marble.hx
@@ -1883,6 +1883,7 @@ class Marble extends GameObject {
 		marbleUpdate.position = this.newPos;
 		marbleUpdate.velocity = this.velocity;
 		marbleUpdate.omega = this.omega;
+		marbleUpdate.lastContactNormal = this.lastContactNormal;
 		marbleUpdate.move = move;
 		marbleUpdate.moveQueueSize = this.connection != null ? this.connection.moveManager.getQueueSize() : 255;
 		marbleUpdate.blastAmount = this.blastTicks;
@@ -1913,6 +1914,7 @@ class Marble extends GameObject {
 		this.collider.transform.setPosition(p.position);
 		this.velocity = p.velocity;
 		this.omega = p.omega;
+		this.lastContactNormal = p.lastContactNormal;
 		this.blastTicks = p.blastAmount;
 		this.blastUseTick = p.blastTick;
 		this.helicopterUseTick = p.heliTick;
@@ -2161,6 +2163,7 @@ class Marble extends GameObject {
 
 		if (this.controllable && this.level.isWatching) {
 			move = new Move();
+			move.d = new Vector(0, 0);
 			if (this.level.replay.currentPlaybackFrame.marbleStateFlags.has(Jumped))
 				move.jump = true;
 			if (this.level.replay.currentPlaybackFrame.marbleStateFlags.has(UsedPowerup))
diff --git a/src/Replay.hx b/src/Replay.hx
index 0b2289fa..5b9852b7 100644
--- a/src/Replay.hx
+++ b/src/Replay.hx
@@ -85,6 +85,7 @@ class ReplayFrame {
 			interpFrame.marbleVelocity = Util.lerpThreeVectors(this.marbleVelocity, next.marbleVelocity, t);
 			interpFrame.marbleOrientation = new Quat();
 			interpFrame.marbleOrientation.slerp(this.marbleOrientation, next.marbleOrientation, t);
+			interpFrame.marbleOrientation.normalize();
 			interpFrame.marbleAngularVelocity = Util.lerpThreeVectors(this.marbleAngularVelocity, next.marbleAngularVelocity, t);
 		}
 
diff --git a/src/net/NetPacket.hx b/src/net/NetPacket.hx
index 6ee74c82..34f9fcc9 100644
--- a/src/net/NetPacket.hx
+++ b/src/net/NetPacket.hx
@@ -58,6 +58,7 @@ class MarbleUpdatePacket implements NetPacket {
 	var position:Vector;
 	var velocity:Vector;
 	var omega:Vector;
+	var lastContactNormal:Vector;
 	var blastAmount:Int;
 	var blastTick:Int;
 	var megaTick:Int;
@@ -84,6 +85,9 @@ class MarbleUpdatePacket implements NetPacket {
 		b.writeFloat(omega.x);
 		b.writeFloat(omega.y);
 		b.writeFloat(omega.z);
+		b.writeFloat(lastContactNormal.x);
+		b.writeFloat(lastContactNormal.y);
+		b.writeFloat(lastContactNormal.z);
 		b.writeInt(blastAmount, 11);
 		if (netFlags & MarbleNetFlags.DoBlast > 0) {
 			b.writeFlag(true);
@@ -134,6 +138,7 @@ class MarbleUpdatePacket implements NetPacket {
 		position = new Vector(b.readFloat(), b.readFloat(), b.readFloat());
 		velocity = new Vector(b.readFloat(), b.readFloat(), b.readFloat());
 		omega = new Vector(b.readFloat(), b.readFloat(), b.readFloat());
+		lastContactNormal = new Vector(b.readFloat(), b.readFloat(), b.readFloat());
 		blastAmount = b.readInt(11);
 		this.netFlags = 0;
 		if (b.readFlag()) {