diff --git a/src/plugin-iface/PluginInterface.vala b/src/plugin-iface/PluginInterface.vala
index 3e25a25..77e17e3 100644
--- a/src/plugin-iface/PluginInterface.vala
+++ b/src/plugin-iface/PluginInterface.vala
@@ -22,7 +22,7 @@ namespace GObject {
 			/**
 			 * Host Interface.
 			 */
-			public IHost host = null;
+			public IHost host { get; set; default = null; }
 		}
 	}
 }