diff --git a/public/app.js b/public/app.js
index e4bbf7b..5525781 100644
--- a/public/app.js
+++ b/public/app.js
@@ -657,7 +657,7 @@ function trimPendingFrameQueue() {
   const overflow = state.pendingFrames.length - maxQueuedFrames;
 
   if (overflow > 0) {
-    state.pendingFrames.splice(0, overflow);
+    state.pendingFrames.splice(maxQueuedFrames, overflow);
   }
 }
 
@@ -671,7 +671,7 @@ function trimFrameQueue() {
     return;
   }
 
-  const removed = state.frames.splice(0, overflow);
+  const removed = state.frames.splice(maxQueuedFrames, overflow);
 
   for (const frame of removed) {
     releaseImage(frame.bitmap);