diff --git a/src/Palette/PaletteGrid.gd b/src/Palette/PaletteGrid.gd
index bc5c5a410..ffc80527e 100644
--- a/src/Palette/PaletteGrid.gd
+++ b/src/Palette/PaletteGrid.gd
@@ -87,6 +87,8 @@ func scroll_palette(origin: Vector2i) -> void:
 ## Called when the color changes, either the left or the right, determined by [param mouse_button].
 ## If current palette has [param target_color] as a [Color], then select it.
 func find_and_select_color(target_color: Color, mouse_button: int) -> void:
+	if not is_instance_valid(current_palette):
+		return
 	var old_index := Palettes.current_palette_get_selected_color_index(mouse_button)
 	for color_ind in swatches.size():
 		if (