Index: binaries/data/mods/public/gui/gamesetup/Pages/AIConfigPage/AIGameSettingControl.js
===================================================================
--- binaries/data/mods/public/gui/gamesetup/Pages/AIConfigPage/AIGameSettingControl.js
+++ binaries/data/mods/public/gui/gamesetup/Pages/AIConfigPage/AIGameSettingControl.js
@@ -2,10 +2,22 @@
 {
 	onOpenPage(playerIndex)
 	{
+		this.setEnabled(true);
 		this.playerIndex = playerIndex;
 		this.render();
 	}
 
+	/**
+	 * Overloaded: no need to trigger a relayout,
+	 * but updateVisibility must be called manually
+	 * as the AI control manager does not subscribe to updateLayout.
+	 */
+	setHidden(hidden)
+	{
+		this.hidden = hidden;
+		this.updateVisibility();
+	}
+
 	setControl(aiConfigPage)
 	{
 		aiConfigPage.registerOpenPageHandler(this.onOpenPage.bind(this));