diff --git a/packages/backend/src/config.ts b/packages/backend/src/config.ts
index 2add8f7ac99c..30c21ba68c2f 100644
--- a/packages/backend/src/config.ts
+++ b/packages/backend/src/config.ts
@@ -108,9 +108,9 @@ export type Mixin = {
 	mediaProxy: string;
 	externalMediaProxyEnabled: boolean;
 	videoThumbnailGenerator: string | null;
-	redis: RedisOptions & RedisOptionsSource;
-	redisForPubsub: RedisOptions & RedisOptionsSource;
-	redisForJobQueue: RedisOptions & RedisOptionsSource;
+	redis: RedisOptions;
+	redisForPubsub: RedisOptions;
+	redisForJobQueue: RedisOptions;
 };
 
 export type Config = Source & Mixin;
@@ -188,10 +188,12 @@ function tryCreateUrl(url: string) {
 }
 
 function convertRedisOptions(options: RedisOptionsSource, host: string): RedisOptions {
-	return {
+	const result = {
 		...options,
 		family: options.family == null ? 0 : options.family,
 		keyPrefix: `${options.prefix ?? host}:`,
 		db: options.db ?? 0,
 	};
+	delete result.prefix;
+	return result;
 }
diff --git a/packages/backend/src/queue/const.ts b/packages/backend/src/queue/const.ts
index d49951a1c3d3..4cf0aa605800 100644
--- a/packages/backend/src/queue/const.ts
+++ b/packages/backend/src/queue/const.ts
@@ -18,6 +18,6 @@ export function baseQueueOptions(config: Config, queueName: typeof QUEUE[keyof t
 			...config.redisForJobQueue,
 			keyPrefix: undefined
 		},
-		prefix: config.redisForJobQueue.prefix ? `${config.redisForJobQueue.prefix}:queue:${queueName}` : `queue:${queueName}`,
+		prefix: config.redisForJobQueue.keyPrefix ? `${config.redisForJobQueue.keyPrefix}queue:${queueName}` : `queue:${queueName}`,
 	};
 }