diff --git a/elements/designer-element/designer-element.html b/elements/designer-element/designer-element.html
index cc4b481c..6e93a5e8 100644
--- a/elements/designer-element/designer-element.html
+++ b/elements/designer-element/designer-element.html
@@ -17,7 +17,7 @@
 
   <link rel="stylesheet" href="designer-element.css">
 
-  <core-layout flow="v"></core-layout>
+  <core-layout vertical></core-layout>
 
   <core-toolbar id="appbar" theme="core-light-theme">
 
diff --git a/elements/x-designer/x-designer.html b/elements/x-designer/x-designer.html
index a87d6b7b..20ca9916 100644
--- a/elements/x-designer/x-designer.html
+++ b/elements/x-designer/x-designer.html
@@ -14,7 +14,7 @@
   <core-layout></core-layout>
 
   <section id="tools">
-    <core-layout flow="v"></core-layout>
+    <core-layout vertical></core-layout>
     <x-palette core-flex id="palette" elements="{{elements}}" canvas="{{$.canvas}}" on-palette-drag="{{paletteDrag}}" on-palette-create-drag-object="{{paletteCreateDragObject}}"></x-palette>
     <polymer-ui-splitter direction="down"></polymer-ui-splitter>
     <x-tree id="tree" canvas="{{$.canvas}}" selected="{{selected}}"></x-tree>
diff --git a/elements/x-inspector/x-inspector.html b/elements/x-inspector/x-inspector.html
index 3215ac91..47a0bf34 100644
--- a/elements/x-inspector/x-inspector.html
+++ b/elements/x-inspector/x-inspector.html
@@ -46,7 +46,7 @@
 
     <link rel="stylesheet" href="x-inspector.css">
     
-    <core-layout flow="v"></core-layout>
+    <core-layout vertical></core-layout>
 
     <div id="header" theme="polymer-ui-light-theme">