diff --git a/src/UI/Dialogs/PreviewDialog.gd b/src/UI/Dialogs/PreviewDialog.gd
index bbb6043d5..1c92eec3f 100644
--- a/src/UI/Dialogs/PreviewDialog.gd
+++ b/src/UI/Dialogs/PreviewDialog.gd
@@ -13,6 +13,11 @@ onready var texture_rect : TextureRect = $VBoxContainer/CenterContainer/TextureR
 onready var spritesheet_options = $VBoxContainer/HBoxContainer/SpritesheetOptions
 
 
+func _ready() -> void:
+	spritesheet_options.get_node("HorizontalFrames").max_value = min(spritesheet_options.get_node("HorizontalFrames").max_value, image.get_size().x)
+	spritesheet_options.get_node("VerticalFrames").max_value = min(spritesheet_options.get_node("VerticalFrames").max_value, image.get_size().y)
+
+
 func _on_PreviewDialog_about_to_show() -> void:
 	var img_texture := ImageTexture.new()
 	img_texture.create_from_image(image)