diff --git a/core/renderers/common/block_rendering.js b/core/renderers/common/block_rendering.js
index 67dd186c4..7834431b6 100644
--- a/core/renderers/common/block_rendering.js
+++ b/core/renderers/common/block_rendering.js
@@ -44,7 +44,7 @@ goog.require('Blockly.zelos.RenderInfo');
 goog.require('Blockly.zelos.ConstantProvider');
 
 // TODO (#2702): Pick an API for choosing a renderer.
-Blockly.blockRendering.rendererName = 'zelos';
+Blockly.blockRendering.rendererName = 'geras';
 
 Blockly.blockRendering.useDebugger = false;