diff --git a/web/src/components/player/MsePlayer.tsx b/web/src/components/player/MsePlayer.tsx
index 54b924456..2b9a8d4fb 100644
--- a/web/src/components/player/MsePlayer.tsx
+++ b/web/src/components/player/MsePlayer.tsx
@@ -328,7 +328,10 @@ function MSEPlayer({
 
           setBufferTimeout(
             setTimeout(() => {
-              if (document.visibilityState === "visible") {
+              if (
+                document.visibilityState === "visible" &&
+                wsRef.current != undefined
+              ) {
                 onError("stalled");
               }
             }, 3000),
diff --git a/web/src/components/player/WebRTCPlayer.tsx b/web/src/components/player/WebRTCPlayer.tsx
index 3baf26d19..3498c31ff 100644
--- a/web/src/components/player/WebRTCPlayer.tsx
+++ b/web/src/components/player/WebRTCPlayer.tsx
@@ -238,7 +238,10 @@ export default function WebRtcPlayer({
 
               setBufferTimeout(
                 setTimeout(() => {
-                  if (document.visibilityState === "visible") {
+                  if (
+                    document.visibilityState === "visible" &&
+                    pcRef.current != undefined
+                  ) {
                     onError("stalled");
                   }
                 }, 3000),