diff --git a/packages/@uppy/companion/src/server/Uploader.js b/packages/@uppy/companion/src/server/Uploader.js
index 19b9345dc7..04d67b3603 100644
--- a/packages/@uppy/companion/src/server/Uploader.js
+++ b/packages/@uppy/companion/src/server/Uploader.js
@@ -411,7 +411,9 @@ class Uploader {
     // https://github.com/transloadit/uppy/issues/3748
     const keyExpirySec = 60 * 60 * 24
     const redisKey = `${Uploader.STORAGE_PREFIX}:${this.token}`
-    this.storage.set(redisKey, jsonStringify(state), 'EX', keyExpirySec)
+    this.storage.set(redisKey, jsonStringify(state), {
+      EX: keyExpirySec,
+    })
   }
 
   throttledEmitProgress = throttle((dataToEmit) => {