diff --git a/config-schema/src/log4js-config/appenders.ts b/config-schema/src/log4js-config/appenders.ts
index 59b42aec3..6648d2924 100644
--- a/config-schema/src/log4js-config/appenders.ts
+++ b/config-schema/src/log4js-config/appenders.ts
@@ -56,7 +56,7 @@ export function createAppenderConfig(
   basePath?: string,
 ): { [name: string]: Appender } {
   if (basePath) {
-    defaultAppenders.errorFile.filename = `${basePath}/errors`
+    defaultAppenders.errorFile.filename = `${basePath}/errors.log`
   }
   const customAppender: { [name: string]: Appender } = { ...defaultAppenders }