diff --git a/book2/catalog/catalog.view.tree b/book2/catalog/catalog.view.tree
index c185fe8506f..f8cbf9d4558 100644
--- a/book2/catalog/catalog.view.tree
+++ b/book2/catalog/catalog.view.tree
@@ -25,6 +25,7 @@ $mol_book2_catalog $mol_book2
 				<= Menu_filter $mol_search
 					query? <=> menu_filter? \
 				<= Menu_links $mol_list
+					Empty <= Menu_links_empty $mol_view
 					rows <= menu_links /
 						<= Menu_link*0 $mol_link
 							arg <= arg* *
diff --git a/state/arg/arg.node.ts b/state/arg/arg.node.ts
index 55cdf426794..8dd43b4c476 100644
--- a/state/arg/arg.node.ts
+++ b/state/arg/arg.node.ts
@@ -70,7 +70,7 @@ namespace $ {
 		
 		@ $mol_action
 		static go( next : { [ key : string ] : string | null } ) {
-			this.href( this.make_link( next ) )
+			this.href( this.link( next ) )
 		}
 		
 		constructor( public prefix = '' ) {
diff --git a/state/arg/arg.web.ts b/state/arg/arg.web.ts
index f3facbfa1a0..19f112ed760 100644
--- a/state/arg/arg.web.ts
+++ b/state/arg/arg.web.ts
@@ -105,7 +105,7 @@ namespace $ {
 
 		@ $mol_action
 		static go( next : { [ key : string ] : string | null } ) {
-			$mol_dom_context.location.href = this.make_link( next )
+			$mol_dom_context.location.href = this.link( next )
 		}
 		
 		static encode( str : string ) {