diff --git a/index.js b/index.js
index abbd678..bef2779 100644
--- a/index.js
+++ b/index.js
@@ -367,13 +367,13 @@ ${inject.body || ''}
     })
   }
 
-  for (let currentFrame = 0; currentFrame < numFrames; ++currentFrame) {
+  for (let frame = 0; frame < numFrames; ++frame) {
     const frameOutputPath = isMultiFrame
-      ? sprintf(tempOutput, currentFrame + 1)
+      ? sprintf(tempOutput, frame + 1)
       : tempOutput
 
     // eslint-disable-next-line no-undef
-    await page.evaluate((currentFrame) => animation.goToAndStop(currentFrame, true), currentFrame)
+    await page.evaluate((frame) => animation.goToAndStop(frame, true), frame)
     const screenshot = await rootHandle.screenshot({
       path: isMp4 ? undefined : frameOutputPath,
       ...screenshotOpts