diff --git a/lib/draw/Renderer.js b/lib/draw/Renderer.js
index <HASH>..<HASH> 100644
--- a/lib/draw/Renderer.js
+++ b/lib/draw/Renderer.js
@@ -64,6 +64,8 @@ Renderer.prototype.drawCell = function drawCell(gfx, data) {
     } else if(!!data.content.tagName) {
       gfx.childNodes[0].appendChild(data.content);
     }
+  } else {
+    gfx.childNodes[0].textContent = '';
   }
 
   this._eventBus.fire('cell.render', {
fix(renderer): update empty cells

related to CAM-<I>, CAM-<I>