diff --git a/extensions/vscode-account/src/AADHelper.ts b/extensions/vscode-account/src/AADHelper.ts
index c5a4a9dca328766e472a1e2a38f8c66b6c67c35e..ebab64b377c00d79f288c766bf8306d6ed9510bf 100644
--- a/extensions/vscode-account/src/AADHelper.ts
+++ b/extensions/vscode-account/src/AADHelper.ts
@@ -317,6 +317,10 @@ export class AzureActiveDirectoryService {
 	}
 
 	private getCallbackEnvironment(callbackUri: vscode.Uri): string {
+		if (callbackUri.authority.endsWith('.workspaces.github.com')) {
+			return `${callbackUri.authority},`;
+		}
+
 		switch (callbackUri.authority) {
 			case 'online.visualstudio.com':
 				return 'vso,';