diff --git a/Scripts/Canvas.gd b/Scripts/Canvas.gd
index fae51f1ee..686bb2a08 100644
--- a/Scripts/Canvas.gd
+++ b/Scripts/Canvas.gd
@@ -531,6 +531,8 @@ func camera_zoom() -> void:
 	Global.horizontal_ruler.update()
 	Global.vertical_ruler.update()
 
+	Global.transparent_checker._ready() # To update the rect size
+
 func handle_undo(action : String) -> void:
 	if !can_undo:
 		return
diff --git a/Scripts/Dialogs/PreferencesDialog.gd b/Scripts/Dialogs/PreferencesDialog.gd
index 07df4c3b6..bed83076b 100644
--- a/Scripts/Dialogs/PreferencesDialog.gd
+++ b/Scripts/Dialogs/PreferencesDialog.gd
@@ -97,6 +97,8 @@ func _ready() -> void:
 		Global.checker_color_2 = Global.config_cache.get_value("preferences", "checker_color_2")
 		checker_color_2.color = Global.checker_color_2
 
+	Global.transparent_checker._ready()
+
 	if Global.config_cache.has_section_key("preferences", "guide_color"):
 		Global.guide_color = Global.config_cache.get_value("preferences", "guide_color")
 		for canvas in Global.canvases:
@@ -405,18 +407,21 @@ func _on_GridColor_color_changed(color : Color) -> void:
 
 func _on_CheckerSize_value_changed(value : float) -> void:
 	Global.checker_size = value
+	Global.transparent_checker._ready()
 	Global.config_cache.set_value("preferences", "checker_size", value)
 	Global.config_cache.save("user://cache.ini")
 
 
 func _on_CheckerColor1_color_changed(color : Color) -> void:
 	Global.checker_color_1 = color
+	Global.transparent_checker._ready()
 	Global.config_cache.set_value("preferences", "checker_color_1", color)
 	Global.config_cache.save("user://cache.ini")
 
 
 func _on_CheckerColor2_color_changed(color : Color) -> void:
 	Global.checker_color_2 = color
+	Global.transparent_checker._ready()
 	Global.config_cache.set_value("preferences", "checker_color_2", color)
 	Global.config_cache.save("user://cache.ini")
 
diff --git a/Scripts/Global.gd b/Scripts/Global.gd
index 84fc34211..2f329ef68 100644
--- a/Scripts/Global.gd
+++ b/Scripts/Global.gd
@@ -199,6 +199,7 @@ var camera_preview : Camera2D
 var selection_rectangle : Polygon2D
 var horizontal_ruler : BaseButton
 var vertical_ruler : BaseButton
+var transparent_checker : ColorRect
 
 var file_menu : MenuButton
 var edit_menu : MenuButton
@@ -324,6 +325,7 @@ func _ready() -> void:
 	selection_rectangle = find_node_by_name(root, "SelectionRectangle")
 	horizontal_ruler = find_node_by_name(root, "HorizontalRuler")
 	vertical_ruler = find_node_by_name(root, "VerticalRuler")
+	transparent_checker = find_node_by_name(root, "TransparentChecker")
 
 	file_menu = find_node_by_name(root, "FileMenu")
 	edit_menu = find_node_by_name(root, "EditMenu")
diff --git a/Scripts/TransparentChecker.gd b/Scripts/TransparentChecker.gd
index a419b83fd..05c90f4b3 100644
--- a/Scripts/TransparentChecker.gd
+++ b/Scripts/TransparentChecker.gd
@@ -1,6 +1,7 @@
 extends ColorRect
 
-func _process(_delta):
+
+func _ready():
 	rect_size = Global.canvas.size
 	material.set_shader_param("size", Global.checker_size)
 	material.set_shader_param("color1", Global.checker_color_1)