diff --git a/src/vs/workbench/browser/parts/views/viewPaneContainer.ts b/src/vs/workbench/browser/parts/views/viewPaneContainer.ts
index 0a7857195989c..24a3b7993d96b 100644
--- a/src/vs/workbench/browser/parts/views/viewPaneContainer.ts
+++ b/src/vs/workbench/browser/parts/views/viewPaneContainer.ts
@@ -547,6 +547,11 @@ export class ViewPaneContainer extends Component implements IViewPaneContainer {
 				this.updateTitleArea();
 				this.updateViewHeaders();
 			}
+			this._register(this.configurationService.onDidChangeConfiguration(e => {
+				if (e.affectsConfiguration(LayoutSettings.ACTIVITY_BAR_LOCATION)) {
+					this.updateViewHeaders();
+				}
+			}));
 		});
 
 		this._register(this.viewContainerModel.onDidChangeActiveViewDescriptors(() => this._onTitleAreaUpdate.fire()));