diff --git a/src/common/CoreTerminal.ts b/src/common/CoreTerminal.ts
index 699a1b1c4..815326d68 100644
--- a/src/common/CoreTerminal.ts
+++ b/src/common/CoreTerminal.ts
@@ -122,7 +122,7 @@ export abstract class CoreTerminal extends Disposable implements ICoreTerminal {
     this.register(forwardEvent(this._coreService.onBinary, this._onBinary));
     this.register(this.optionsService.onOptionChange(key => this._updateOptions(key)));
     this.register(this._bufferService.onScroll(event => {
-      this._onScroll.fire({position: this._bufferService.buffer.ydisp, source: ScrollSource.TERMINAL});
+      this._onScroll.fire({ position: this._bufferService.buffer.ydisp, source: ScrollSource.TERMINAL });
       this._dirtyRowService.markRangeDirty(this._bufferService.buffer.scrollTop, this._bufferService.buffer.scrollBottom);
     }));