diff --git a/Prefabs/FrameButton.tscn b/Prefabs/FrameButton.tscn
index 68225065c..33443f4f1 100644
--- a/Prefabs/FrameButton.tscn
+++ b/Prefabs/FrameButton.tscn
@@ -33,5 +33,12 @@ margin_right = 20.0
 margin_bottom = 20.0
 mouse_default_cursor_shape = 2
 items = [ "Remove Frame", null, 0, false, true, -1, 0, null, "", false, "Clone Frame", null, 0, false, false, -1, 0, null, "", false, "Move Left", null, 0, false, true, -1, 0, null, "", false, "Move Right", null, 0, false, true, -1, 0, null, "", false ]
+
+[node name="LinkedIndicator" type="Polygon2D" parent="."]
+visible = false
+color = Color( 0.0627451, 0.741176, 0.215686, 1 )
+invert_enable = true
+invert_border = 1.0
+polygon = PoolVector2Array( 0, 0, 36, 0, 36, 36, 0, 36 )
 [connection signal="pressed" from="." to="." method="_on_FrameButton_pressed"]
 [connection signal="id_pressed" from="PopupMenu" to="." method="_on_PopupMenu_id_pressed"]
diff --git a/Scripts/FrameButton.gd b/Scripts/FrameButton.gd
index 98ec51615..7c457479c 100644
--- a/Scripts/FrameButton.gd
+++ b/Scripts/FrameButton.gd
@@ -7,6 +7,8 @@ onready var popup_menu := $PopupMenu
 
 func _ready() -> void:
 	hint_tooltip = "Frame: %s, Layer: %s" % [frame, layer]
+	if frame in Global.layers[layer][5]:
+		get_node("LinkedIndicator").visible = true
 
 func _on_FrameButton_pressed() -> void:
 	if Input.is_action_just_released("left_mouse"):
diff --git a/Scripts/LayerContainer.gd b/Scripts/LayerContainer.gd
index d7e9a59d1..4f6149289 100644
--- a/Scripts/LayerContainer.gd
+++ b/Scripts/LayerContainer.gd
@@ -66,3 +66,5 @@ func _on_LockButton_pressed() -> void:
 
 func _on_LinkButton_pressed() -> void:
 	Global.layers[i][4] = !Global.layers[i][4]
+	if !Global.layers[i][5]:
+		Global.layers[i][5].append(Global.current_frame)