diff --git a/src/vs/workbench/api/browser/mainThreadConfiguration.ts b/src/vs/workbench/api/browser/mainThreadConfiguration.ts
index efd471a1347..57ae2b9a374 100644
--- a/src/vs/workbench/api/browser/mainThreadConfiguration.ts
+++ b/src/vs/workbench/api/browser/mainThreadConfiguration.ts
@@ -77,7 +77,7 @@ export class MainThreadConfiguration implements MainThreadConfigurationShape {
 			: scopeToLanguage === false ? { resource: overrides.resource }
 				: overrides.overrideIdentifier && overriddenValue !== undefined ? overrides
 					: { resource: overrides.resource };
-		return this.configurationService.updateValue(key, value, overrides, configurationTarget);
+		return this.configurationService.updateValue(key, value, overrides, configurationTarget, true);
 	}
 
 	private deriveConfigurationTarget(key: string, overrides: IConfigurationOverrides): ConfigurationTarget {