diff --git a/src/renderer/dom/DomRendererRowFactory.ts b/src/renderer/dom/DomRendererRowFactory.ts
index a6728873..a6cbeb78 100644
--- a/src/renderer/dom/DomRendererRowFactory.ts
+++ b/src/renderer/dom/DomRendererRowFactory.ts
@@ -84,7 +84,7 @@ export class DomRendererRowFactory {
         charElement.classList.add(ITALIC_CLASS);
       }
 
-      if (flags & FLAGS.DIM) {
+      if (this._workCell.isDim()) {
         charElement.classList.add(DIM_CLASS);
       }