diff --git a/addons/material_maker/main_window.gd b/addons/material_maker/main_window.gd
index d4aca6b..da4b3c6 100644
--- a/addons/material_maker/main_window.gd
+++ b/addons/material_maker/main_window.gd
@@ -41,7 +41,12 @@ const MENU = [
 signal quit
 
 func _ready():
-	# Set a minimum window size to prevent UI elements from collapsing on each other.
+	# Upscale everything if the display requires it (crude hiDPI support).
+	# This prevents UI elements from being too small on hiDPI displays.
+	if OS.get_screen_dpi() >= 192 and OS.get_screen_size().x >= 2048:
+		get_tree().set_screen_stretch(SceneTree.STRETCH_MODE_DISABLED, SceneTree.STRETCH_ASPECT_IGNORE, Vector2(), 2)
+
+  # Set a minimum window size to prevent UI elements from collapsing on each other.
 	# This property is only available in 3.2alpha or later, so use `set()` to fail gracefully if it doesn't exist.
 	OS.set("min_window_size", Vector2(1024, 600))
 
diff --git a/project.godot b/project.godot
index b42e2c2..d460da0 100644
--- a/project.godot
+++ b/project.godot
@@ -167,6 +167,7 @@ gdscript/warnings/unsafe_call_argument=true
 
 window/size/width=1280
 window/size/height=720
+window/dpi/allow_hidpi=true
 
 [logging]