diff --git a/libraries/adb-scrcpy/src/video.ts b/libraries/adb-scrcpy/src/video.ts
index d9de2614..56da9f73 100644
--- a/libraries/adb-scrcpy/src/video.ts
+++ b/libraries/adb-scrcpy/src/video.ts
@@ -46,7 +46,7 @@ export class AdbScrcpyVideoStream implements ScrcpyVideoSize {
             .pipeThrough(this.#options.createMediaStreamTransformer())
             .pipeThrough(
                 new InspectStream(
-                    (packet) => {
+                    (packet): undefined => {
                         if (packet.type === "configuration") {
                             switch (this.#metadata.codec) {
                                 case ScrcpyVideoCodecId.H264: