diff --git a/src/ObjectDialog.vala b/src/ObjectDialog.vala
index 113b5e8..cf1f3a7 100644
--- a/src/ObjectDialog.vala
+++ b/src/ObjectDialog.vala
@@ -4,7 +4,7 @@ namespace LAview.Core.Plugins {
 	class ObjectExampleDialog : Object {
 		Dialog dialog;
 
-		public bool composed { set; get; default = false; }
+		public bool composed { get; private set; default = false; }
 
 		public ObjectExampleDialog (Object parent) throws Error {
 			var builder = new Builder ();
@@ -24,6 +24,7 @@ namespace LAview.Core.Plugins {
 		}
 
 		public void show_all () {
+			composed = false;
 			dialog.show_all ();
 		}