diff --git a/effects/hyperspace/hyperspace_effect.gd b/effects/hyperspace/hyperspace_effect.gd
index 55c6296f..a8074e27 100644
--- a/effects/hyperspace/hyperspace_effect.gd
+++ b/effects/hyperspace/hyperspace_effect.gd
@@ -5,6 +5,7 @@ extends MeshInstance3D
 ## Besides being visually interesting, this effect also serves to hide the scene transition, where otherwise nodes would pop in and out.
 
 @export var hyperspace_controller: HyperspaceController
+@export var hyperspace_viewport: SubViewport
 
 ## An audio clip to play when a hyperspace jump begins.
 @export var jump_out_audio: AudioStreamPlayer
@@ -32,6 +33,7 @@ func _random_rotation() -> Vector3:
     )
 
 func _on_jump_started(_destination: StarSystem) -> void:
+    self.hyperspace_viewport.render_target_update_mode = SubViewport.UPDATE_ONCE
     self.rotation = self.initial_rotation
     self.scale = self.initial_scale
     self.visible = true
diff --git a/game.tscn b/game.tscn
index a6f5a9a0..6045a8f6 100644
--- a/game.tscn
+++ b/game.tscn
@@ -117,7 +117,7 @@ script = ExtResource("2_v5hns")
 follow_target = NodePath("../Player")
 starfield_material = ExtResource("3_vksuy")
 
-[node name="HyperspaceEffect" type="MeshInstance3D" parent="MainCamera" node_paths=PackedStringArray("hyperspace_controller", "jump_out_audio") groups=["hyperspace"]]
+[node name="HyperspaceEffect" type="MeshInstance3D" parent="MainCamera" node_paths=PackedStringArray("hyperspace_controller", "hyperspace_viewport", "jump_out_audio") groups=["hyperspace"]]
 transform = Transform3D(1, 4.15924e-24, -6.97574e-16, -6.97574e-16, 1.19249e-08, -1, 4.15926e-24, 1, 1.19249e-08, 2.08165e-12, 2.08165e-12, -12)
 visible = false
 layers = 4
@@ -127,6 +127,7 @@ mesh = SubResource("SphereMesh_sndvt")
 skeleton = NodePath("../..")
 script = ExtResource("4_bmy66")
 hyperspace_controller = NodePath("../../HyperspaceController")
+hyperspace_viewport = NodePath("../../HyperspaceViewport")
 jump_out_audio = NodePath("AudioStreamPlayer")
 
 [node name="AudioStreamPlayer" type="AudioStreamPlayer" parent="MainCamera/HyperspaceEffect" groups=["hyperspace"]]
@@ -174,6 +175,8 @@ far = 20.0
 handle_input_locally = false
 gui_disable_input = true
 size = Vector2i(4096, 2048)
+render_target_clear_mode = 1
+render_target_update_mode = 0
 
 [node name="HyperspaceCamera" type="Camera3D" parent="HyperspaceViewport" groups=["hyperspace"]]
 transform = Transform3D(1, -6.97574e-16, 4.15926e-24, 4.15924e-24, 1.19249e-08, 1, -6.97574e-16, -1, 1.19249e-08, 2.08165e-12, 10, 2.08165e-12)