diff --git a/generator.ts b/generator.ts
index 22a461c..a54f975 100644
--- a/generator.ts
+++ b/generator.ts
@@ -158,7 +158,7 @@ async function ffprobe(videoFile: string): Promise<Record<string, unknown>> {
   }
   // Make the duration actually a number
   json.duration = Number(json.duration);
-  if (code != 0) {
+  if (code !== 0) {
     throw new Error();
   }
   return json;