diff --git a/src/vs/workbench/services/timer/electron-sandbox/timerService.ts b/src/vs/workbench/services/timer/electron-sandbox/timerService.ts
index 4ace91ae827..2a778a46ca8 100644
--- a/src/vs/workbench/services/timer/electron-sandbox/timerService.ts
+++ b/src/vs/workbench/services/timer/electron-sandbox/timerService.ts
@@ -85,7 +85,7 @@ export class TimerService extends AbstractTimerService {
 	}
 }
 
-registerSingleton(ITimerService, TimerService, false);
+registerSingleton(ITimerService, TimerService, true);
 
 //#region cached data logic
 
diff --git a/src/vs/workbench/workbench.common.main.ts b/src/vs/workbench/workbench.common.main.ts
index 448e80ae412..633323f766d 100644
--- a/src/vs/workbench/workbench.common.main.ts
+++ b/src/vs/workbench/workbench.common.main.ts
@@ -138,7 +138,7 @@ registerSingleton(IListService, ListService, true);
 registerSingleton(IEditorWorkerService, EditorWorkerService, false);
 registerSingleton(IMarkerDecorationsService, MarkerDecorationsService, true);
 registerSingleton(IMarkerService, MarkerService, true);
-registerSingleton(IContextKeyService, ContextKeyService, false);
+registerSingleton(IContextKeyService, ContextKeyService, true);
 registerSingleton(ITextResourceConfigurationService, TextResourceConfigurationService, true);
 registerSingleton(IDownloadService, DownloadService, true);
 registerSingleton(IOpenerService, OpenerService, true);