diff --git a/src/components/projects/project_item/project_item.gd b/src/components/projects/project_item/project_item.gd
index 25ef8789..6339f8c6 100644
--- a/src/components/projects/project_item/project_item.gd
+++ b/src/components/projects/project_item/project_item.gd
@@ -250,6 +250,12 @@ func _fill_data(item: Projects.Item) -> void:
 		'run',
 	]).all():
 		action.disable(item.is_missing or item.has_invalid_editor)
+	
+	for action in _actions.sub_list([
+		'run',
+	]).all():
+		if not item.has_main_scene:
+			action.disable(true)
 
 
 func _view_command(item: Projects.Item) -> void:
diff --git a/src/main/main.tscn b/src/main/main.tscn
index f2907ca0..b8f62a7b 100644
--- a/src/main/main.tscn
+++ b/src/main/main.tscn
@@ -4,4 +4,4 @@
 
 [node name="Main" type="Node"]
 script = ExtResource("2_nqr5a")
-gui_scene_path = "res://src/main/gui/gui_main.tscn"
+gui_scene_path = "uid://omgg45dpxftx"
diff --git a/src/services/projects.gd b/src/services/projects.gd
index ff7bcc23..ea87f1db 100644
--- a/src/services/projects.gd
+++ b/src/services/projects.gd
@@ -130,6 +130,9 @@ class Item:
 	var editors_to_bind: Array:
 		get: return _get_editors_to_bind()
 	
+	var has_main_scene: bool:
+		get: return _external_project_info.has_main_scene
+	
 	var is_missing: bool:
 		get: return _external_project_info.is_missing
 	
@@ -347,6 +350,9 @@ class ExternalProjectInfo extends RefCounted:
 	var is_missing: bool:
 		get: return _is_missing
 	
+	var has_main_scene: bool:
+		get: return _has_main_scene
+	
 	# TODO type
 	var tags: Array:
 		set(value):
@@ -378,6 +384,7 @@ class ExternalProjectInfo extends RefCounted:
 	var _name := "Loading..."
 	var _last_modified: int
 	var _is_missing := false
+	var _has_main_scene := false
 	var _tags := []
 	var _features := []
 	var _config_version := -1
@@ -401,6 +408,7 @@ class ExternalProjectInfo extends RefCounted:
 		_tags = cfg.get_value("application", "config/tags", [])
 		_features = cfg.get_value("application", "config/features", [])
 		_config_version = cfg.get_value("", "config_version", -1)
+		_has_main_scene = true if cfg.get_value("application", "run/main_scene", false) else false
 		_has_mono_section = cfg.has_section("mono")
 		if cfg.has_section_key("godots", "version_hint"):
 			_version_hint = cfg.get_value("godots", "version_hint")