diff --git a/src/AcDream.App/Input/PlayerMovementController.cs b/src/AcDream.App/Input/PlayerMovementController.cs
index 03114d63..b6923fb9 100644
--- a/src/AcDream.App/Input/PlayerMovementController.cs
+++ b/src/AcDream.App/Input/PlayerMovementController.cs
@@ -816,6 +816,14 @@ public sealed class PlayerMovementController
         _body.TransientState = TransientStateFlags.Contact | TransientStateFlags.OnWalkable;
         _body.Velocity = Vector3.Zero;
 
+        // #145 Slice 7: idle the motion interpreter on a server snap / teleport arrival.
+        // SetPosition zeros the body velocity, but the motion interpreter still holds the
+        // PRE-teleport ForwardCommand (e.g. RunForward), so the next Update() would
+        // reconstruct that run vector via get_state_velocity and the player would sprint
+        // off in the old direction the instant input resumes. Resetting the forward
+        // command to Ready makes the player arrive at rest.
+        _motion.DoMotion(MotionCommand.Ready, 1.0f);
+
         // Reset physics clock so any subsequent update_object calls start fresh.
         _body.LastUpdateTime = 0.0;
         _physicsAccum = 0f;