diff --git a/src/Terminal.ts b/src/Terminal.ts
index ce0b32a8..7156a3f6 100644
--- a/src/Terminal.ts
+++ b/src/Terminal.ts
@@ -722,7 +722,7 @@ export class Terminal extends EventEmitter implements ITerminal, IDisposable, II
     // dprchange should handle this case, we need this as well for browsers that don't support the
     // matchMedia query.
     this._disposables.push(Dom.addDisposableListener(window, 'resize', () => this.renderer.onWindowResize(window.devicePixelRatio)));
-    this.charMeasure.on('charsizechanged', () => this.renderer.onResize(this.cols, this.rows));
+    this.charMeasure.on('charsizechanged', () => this.renderer.onCharSizeChanged());
     this.renderer.on('resize', (dimensions) => this.viewport.syncScrollArea());
 
     this.selectionManager = new SelectionManager(this, this.charMeasure);