diff --git a/bundlesize.config.json b/bundlesize.config.json
index 4e9af3deb..f446865b6 100644
--- a/bundlesize.config.json
+++ b/bundlesize.config.json
@@ -33,6 +33,6 @@
 	},
 	{
 		"resourceModule": "skins.minerva.scripts",
-		"maxSize": "11.9KB"
+		"maxSize": "12.0KB"
 	}
 ]
diff --git a/resources/skins.minerva.scripts/downloadPageAction.js b/resources/skins.minerva.scripts/downloadPageAction.js
index d324aacee..a416cf4b8 100644
--- a/resources/skins.minerva.scripts/downloadPageAction.js
+++ b/resources/skins.minerva.scripts/downloadPageAction.js
@@ -45,6 +45,11 @@
 		var androidVersion = getAndroidVersion( userAgent ),
 			chromeVersion = getChromeVersion( userAgent );
 
+		if ( typeof window.print !== 'function' ) {
+			// T309591: No window.print support
+			return false;
+		}
+
 		// Download button is restricted to certain namespaces T181152.
 		// Not shown on missing pages
 		// Defaults to 0, in case cached JS has been served.