diff --git a/core/bind/core_bind.cpp b/core/bind/core_bind.cpp
index 44573a0d978..da7b15da946 100644
--- a/core/bind/core_bind.cpp
+++ b/core/bind/core_bind.cpp
@@ -1317,6 +1317,26 @@ void _OS::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "window_position"), "set_window_position", "get_window_position");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "window_size"), "set_window_size", "get_window_size");
 
+	// Those default values need to be specified for the docs generator,
+	// to avoid using values from the documentation writer's own OS instance.
+	ADD_PROPERTY_DEFAULT("clipboard", "");
+	ADD_PROPERTY_DEFAULT("current_screen", 0);
+	ADD_PROPERTY_DEFAULT("exit_code", 0);
+	ADD_PROPERTY_DEFAULT("vsync_enabled", true);
+	ADD_PROPERTY_DEFAULT("low_processor_usage_mode", false);
+	ADD_PROPERTY_DEFAULT("keep_screen_on", true);
+	ADD_PROPERTY_DEFAULT("min_window_size", Vector2());
+	ADD_PROPERTY_DEFAULT("max_window_size", Vector2());
+	ADD_PROPERTY_DEFAULT("screen_orientation", 0);
+	ADD_PROPERTY_DEFAULT("window_borderless", false);
+	ADD_PROPERTY_DEFAULT("window_per_pixel_transparency_enabled", false);
+	ADD_PROPERTY_DEFAULT("window_fullscreen", false);
+	ADD_PROPERTY_DEFAULT("window_maximized", false);
+	ADD_PROPERTY_DEFAULT("window_minimized", false);
+	ADD_PROPERTY_DEFAULT("window_resizable", true);
+	ADD_PROPERTY_DEFAULT("window_position", Vector2());
+	ADD_PROPERTY_DEFAULT("window_size", Vector2());
+
 	BIND_ENUM_CONSTANT(VIDEO_DRIVER_GLES2);
 	BIND_ENUM_CONSTANT(VIDEO_DRIVER_GLES3);
 
diff --git a/doc/classes/OS.xml b/doc/classes/OS.xml
index 9854c2deade..d73c85a6d96 100644
--- a/doc/classes/OS.xml
+++ b/doc/classes/OS.xml
@@ -800,7 +800,7 @@
 		</method>
 	</methods>
 	<members>
-		<member name="clipboard" type="String" setter="set_clipboard" getter="get_clipboard" default="&quot;an editor if it were&quot;">
+		<member name="clipboard" type="String" setter="set_clipboard" getter="get_clipboard" default="&quot;&quot;">
 			The clipboard from the host OS. Might be unavailable on some platforms.
 		</member>
 		<member name="current_screen" type="int" setter="set_current_screen" getter="get_current_screen" default="0">
@@ -845,13 +845,13 @@
 			Use [code]get_tree().get_root().set_transparent_background(true)[/code] to disable main viewport background rendering.
 			[b]Note:[/b] This property has no effect if [b]Project &gt; Project Settings &gt; Display &gt; Window &gt; Per-pixel transparency &gt; Allowed[/b] setting is disabled.
 		</member>
-		<member name="window_position" type="Vector2" setter="set_window_position" getter="get_window_position" default="Vector2( 0, 436 )">
+		<member name="window_position" type="Vector2" setter="set_window_position" getter="get_window_position" default="Vector2( 0, 0 )">
 			The window position relative to the screen, the origin is the top left corner, +Y axis goes to the bottom and +X axis goes to the right.
 		</member>
 		<member name="window_resizable" type="bool" setter="set_window_resizable" getter="is_window_resizable" default="true">
 			If [code]true[/code], the window is resizable by the user.
 		</member>
-		<member name="window_size" type="Vector2" setter="set_window_size" getter="get_window_size" default="Vector2( 1024, 600 )">
+		<member name="window_size" type="Vector2" setter="set_window_size" getter="get_window_size" default="Vector2( 0, 0 )">
 			The size of the window (without counting window manager decorations).
 		</member>
 	</members>