diff --git a/src/vs/workbench/api/node/extHost.api.impl.ts b/src/vs/workbench/api/node/extHost.api.impl.ts
index 9898fa25685b2..8818154961399 100644
--- a/src/vs/workbench/api/node/extHost.api.impl.ts
+++ b/src/vs/workbench/api/node/extHost.api.impl.ts
@@ -255,6 +255,7 @@ export function createApiFactory(
 				return extHostClipboard;
 			},
 			get shell() {
+				checkProposedApiEnabled(extension);
 				return extHostTerminalService.getDefaultShell(configProvider);
 			},
 			openExternal(uri: URI) {