diff --git a/ui (gen4)/features/filesystem.js b/ui (gen4)/features/filesystem.js
index 3fd9dbbe..69db0240 100755
--- a/ui (gen4)/features/filesystem.js	
+++ b/ui (gen4)/features/filesystem.js	
@@ -2355,7 +2355,10 @@ var FileSystemWriterUIActions = actions.Actions({
 				make(['Export $mode: ', 
 						function(){ return mode }])
 					.on('open', 
-						widgets.makeNestedConfigListEditor(that, o,
+						// XXX for some reason o is initially undefined when
+						// 		it should be set to the dialog...
+						//widgets.makeNestedConfigListEditor(that, o,
+						widgets.makeNestedConfigListEditor(that, make.dialog,
 							'export-dialog-modes',
 							'export-dialog-mode',
 							{
diff --git a/ui (gen4)/features/keyboard.js b/ui (gen4)/features/keyboard.js
index 5903fe85..e6782f33 100755
--- a/ui (gen4)/features/keyboard.js	
+++ b/ui (gen4)/features/keyboard.js	
@@ -287,6 +287,9 @@ module.GLOBAL_KEYBOARD = {
 
 		shift_B: 'setBaseRibbon',
 
+		alt_PgUp: 'shiftRibbonUp',
+		alt_PgDown: 'shiftRibbonDown',
+
 
 		// editing...
 		R: 'rotateCW',