diff --git a/core/inject.js b/core/inject.js
index 3231193b0..f15afb6ab 100644
--- a/core/inject.js
+++ b/core/inject.js
@@ -27,6 +27,7 @@
 goog.provide('Blockly.inject');
 
 goog.require('Blockly.BlockDragSurfaceSvg');
+goog.require('Blockly.blockRendering');
 goog.require('Blockly.Component');
 goog.require('Blockly.Css');
 goog.require('Blockly.DropDownDiv');
@@ -70,6 +71,7 @@ Blockly.inject = function(container, opt_options) {
   var blockDragSurface = new Blockly.BlockDragSurfaceSvg(subContainer);
   var workspaceDragSurface = new Blockly.WorkspaceDragSurfaceSvg(subContainer);
 
+  Blockly.blockRendering.init();
   var workspace = Blockly.createMainWorkspace_(svg, options, blockDragSurface,
       workspaceDragSurface);
   Blockly.setTheme(options.theme);
diff --git a/core/renderers/block_rendering_rewrite/block_rendering.js b/core/renderers/block_rendering_rewrite/block_rendering.js
index 895b7439f..d09f2186b 100644
--- a/core/renderers/block_rendering_rewrite/block_rendering.js
+++ b/core/renderers/block_rendering_rewrite/block_rendering.js
@@ -40,6 +40,14 @@ goog.require('Blockly.geras.RenderInfo');
 goog.require('Blockly.thrasos.RenderInfo');
 goog.require('Blockly.zelos.RenderInfo');
 
+/**
+ * Initialize anything needed for rendering (constants, etc).
+ * @package
+ */
+Blockly.blockRendering.init = function() {
+  // Currently a no-op.
+};
+
 /**
  * Render the given block, using the new rendering.
  * Developers should not call this directly.  Instead, call block.render().