diff --git a/client/scripts/autoloads/sim_bridge.gd b/client/scripts/autoloads/sim_bridge.gd
index 53551a2bb..9d31763a3 100644
--- a/client/scripts/autoloads/sim_bridge.gd
+++ b/client/scripts/autoloads/sim_bridge.gd
@@ -181,7 +181,9 @@ func send_input(player_input: Dictionary) -> Error:
 	if action_name.is_empty():
 		# _action_enum_to_wire already emits push_warning for invalid actions
 		return ERR_INVALID_PARAMETER
-	var tick: int = player_input.get("timestamp_msec", 0)
+	# Use the server's current tick so drain_for_tick processes this input immediately.
+	# The client-side timestamp_msec is only useful for ordering within a frame.
+	var tick: int = GameState.current_tick
 	var entry: Dictionary = { "tick": tick, "action_name": action_name }
 	# Data variants (e.g. UsePerceptionMode) carry payload
 	var action_data: Variant = player_input.get("action_data")