diff --git a/src/vs/workbench/browser/parts/activitybar/activitybarActions.ts b/src/vs/workbench/browser/parts/activitybar/activitybarActions.ts
index 22065b584f52b848e0322acbaaf67e9b2995e56c..5afb9bf1931abbc1859701c2b7c6265571407ccc 100644
--- a/src/vs/workbench/browser/parts/activitybar/activitybarActions.ts
+++ b/src/vs/workbench/browser/parts/activitybar/activitybarActions.ts
@@ -29,6 +29,7 @@ import { IViewletService } from 'vs/workbench/services/viewlet/browser/viewlet';
 import { IContextKeyService } from 'vs/platform/contextkey/common/contextkey';
 import { createAndFillInActionBarActions } from 'vs/platform/actions/browser/menuEntryActionViewItem';
 import { ICommandService } from 'vs/platform/commands/common/commands';
+import { Codicon } from 'vs/base/common/codicons';
 
 export class ViewletActivityAction extends ActivityAction {
 
@@ -344,10 +345,10 @@ export class HomeAction extends Action {
 	constructor(
 		private readonly command: string,
 		name: string,
-		icon: string,
+		icon: Codicon,
 		@ICommandService private readonly commandService: ICommandService
 	) {
-		super('workbench.action.home', name, `codicon-${icon}`);
+		super('workbench.action.home', name, icon.classNames);
 	}
 
 	async run(): Promise<void> {
diff --git a/src/vs/workbench/browser/parts/activitybar/activitybarPart.ts b/src/vs/workbench/browser/parts/activitybar/activitybarPart.ts
index c6241772562631712d07105ecafd8f0fc35bae83..52fc869b7d174a5282b52696dda3e320a4e625d7 100644
--- a/src/vs/workbench/browser/parts/activitybar/activitybarPart.ts
+++ b/src/vs/workbench/browser/parts/activitybar/activitybarPart.ts
@@ -42,7 +42,7 @@ import { IStorageKeysSyncRegistryService } from 'vs/platform/userDataSync/common
 import { getUserDataSyncStore } from 'vs/platform/userDataSync/common/userDataSync';
 import { IProductService } from 'vs/platform/product/common/productService';
 import { Before2D } from 'vs/workbench/browser/dnd';
-import { Codicon } from 'vs/base/common/codicons';
+import { Codicon, iconRegistry } from 'vs/base/common/codicons';
 
 interface IPlaceholderViewlet {
 	id: string;
@@ -327,7 +327,12 @@ export class ActivitybarPart extends Part implements IActivityBarService {
 		// Home action bar
 		const homeIndicator = this.environmentService.options?.homeIndicator;
 		if (homeIndicator) {
-			this.createHomeBar(homeIndicator.command, homeIndicator.title, homeIndicator.icon);
+			let codicon = iconRegistry.get(homeIndicator.icon);
+			if (!codicon) {
+				console.warn(`Unknown home indicator icon ${homeIndicator.icon}`);
+				codicon = Codicon.code;
+			}
+			this.createHomeBar(homeIndicator.command, homeIndicator.title, codicon);
 		}
 
 		// Install menubar if compact
@@ -348,7 +353,7 @@ export class ActivitybarPart extends Part implements IActivityBarService {
 		return this.content;
 	}
 
-	private createHomeBar(command: string, title: string, icon: string): void {
+	private createHomeBar(command: string, title: string, icon: Codicon): void {
 		const homeBarContainer = document.createElement('div');
 		homeBarContainer.setAttribute('aria-label', nls.localize('homeIndicator', "Home"));
 		homeBarContainer.setAttribute('role', 'toolbar');