workaround for #586 and #639

js/AboutDialog.js

@@ -18,9 +18,11 @@ import VBox from '../../scenery/js/nodes/VBox.js';
 import VStrut from '../../scenery/js/nodes/VStrut.js';
 import Dialog from '../../sun/js/Dialog.js';
 import CreditsNode from './CreditsNode.js';
-import joistStrings from './joistStrings.js';
+import HomeScreenView from './HomeScreenView.js';
 import joist from './joist.js';
+import joistStrings from './joistStrings.js';
 import packageJSON from './packageJSON.js';
+import ScreenView from './ScreenView.js';
 import updateCheck from './updateCheck.js';
 import UpdateNodes from './UpdateNodes.js';
 import UpdateState from './UpdateState.js';
@@ -223,7 +225,10 @@ function AboutDialog( name, version, credits, locale, phetButton, tandem ) {
     tandem: tandem,
     phetioReadOnly: true, // the AboutDialog should not be settable
     phetioState: true,
-    phetioDynamicElement: true
+    phetioDynamicElement: true,
+
+    //TODO workaround for https://github.com/phetsims/joist/issues/586 and https://github.com/phetsims/joist/issues/639
+    scale: HomeScreenView.LAYOUT_BOUNDS.width / ScreenView.DEFAULT_LAYOUT_BOUNDS.width
   } );
 
   // pdom - set label association so the title is read when focus enters the dialog