diff --git a/addons/material_maker/engine/gen_switch.gd b/addons/material_maker/engine/gen_switch.gd
index 5cdc67a..4101340 100644
--- a/addons/material_maker/engine/gen_switch.gd
+++ b/addons/material_maker/engine/gen_switch.gd
@@ -13,9 +13,11 @@ func get_type_name():
 	return "Switch"
 
 func get_parameter_defs():
-	return [ { name="outputs", label="Outputs", type="float", min=1, max=5, step=1, default=2 },
-			 { name="choices", label="Choices", type="float", min=2, max=5, step=1, default=2 },
-			 { name="source", label="Source", type="float", min=0, max=1, step=1, default=0 } ]
+	return [
+		{ name="outputs", label="Outputs", type="float", min=1, max=5, step=1, default=2 },
+		{ name="choices", label="Choices", type="float", min=2, max=5, step=1, default=2 },
+		{ name="source", label="Source", type="float", min=0, max=1, step=1, default=0 },
+	]
 
 func get_input_defs():
 	var rv : Array = []
@@ -23,7 +25,7 @@ func get_input_defs():
 		for o in range(parameters.outputs):
 			rv.push_back({ name=PoolByteArray([64+o]).get_string_from_ascii()+str(c), type="rgba" })
 	return rv
-	
+
 func get_output_defs():
 	var rv : Array = []
 	for o in range(parameters.outputs):
diff --git a/addons/material_maker/main_window.gd b/addons/material_maker/main_window.gd
index b1ee231..da4b3c6 100644
--- a/addons/material_maker/main_window.gd
+++ b/addons/material_maker/main_window.gd
@@ -46,6 +46,10 @@ func _ready():
 	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))
+
 	if !Engine.editor_hint:
 		OS.set_window_title(ProjectSettings.get_setting("application/config/name")+" v"+ProjectSettings.get_setting("application/config/release"))
 	load_recents()