diff --git a/src/editor/editor.js b/src/editor/editor.js
index 9a5d6015..34fc1ea7 100644
--- a/src/editor/editor.js
+++ b/src/editor/editor.js
@@ -55,7 +55,7 @@ export default class Editor {
 		 * @readonly
 		 * @type {module:core/context~Context}
 		 */
-		this.context = config.context || new Context();
+		this.context = config.context || new Context( config );
 		this.context.addEditor( this );
 
 		/**
@@ -79,7 +79,9 @@ export default class Editor {
 		 */
 		this.config = new Config( config, this.constructor.defaultConfig );
 		this.config.define( 'plugins', availablePlugins );
-		this.config.define( this.context.getEditorConfig() );
+		if ( !this._isContextHost ) {
+			this.config.define( this.context.getEditorConfig() );
+		}
 
 		/**
 		 * The plugins loaded and in use by this editor instance.