diff --git a/lib/handler/RetryHandler.js b/lib/handler/RetryHandler.js
index 13eb1005083..05d55792c1f 100644
--- a/lib/handler/RetryHandler.js
+++ b/lib/handler/RetryHandler.js
@@ -151,7 +151,7 @@ class RetryHandler {
     let retryAfterHeader = headers != null && headers['retry-after']
     if (retryAfterHeader) {
       retryAfterHeader = Number(retryAfterHeader)
-      retryAfterHeader = isNaN(retryAfterHeader)
+      retryAfterHeader = Number.isNaN(retryAfterHeader)
         ? calculateRetryAfterHeader(retryAfterHeader)
         : retryAfterHeader * 1e3 // Retry-After is in seconds
     }
diff --git a/lib/websocket/receiver.js b/lib/websocket/receiver.js
index b8b63ceb9d8..c75939c29b7 100644
--- a/lib/websocket/receiver.js
+++ b/lib/websocket/receiver.js
@@ -236,9 +236,7 @@ class ByteParser extends Writable {
         }
       }
 
-      if (this.#byteOffset > 0) {
-        continue
-      } else {
+      if (this.#byteOffset === 0) {
         callback()
         break
       }