diff --git a/Package.swift b/Package.swift
index da7c81a..8edfafb 100644
--- a/Package.swift
+++ b/Package.swift
@@ -26,7 +26,6 @@ let package = Package(
         .testTarget(
             name: "macSubtitleOCRTests",
             dependencies: [
-                .product(name: "ArgumentParser", package: "swift-argument-parser"),
                 .target(name: "macSubtitleOCR")
             ],
             resources: [
diff --git a/Sources/macSubtitleOCR/Subtitles/FFmpeg/FFmpeg.swift b/Sources/macSubtitleOCR/Subtitles/FFmpeg/FFmpeg.swift
index fefb401..c710cac 100644
--- a/Sources/macSubtitleOCR/Subtitles/FFmpeg/FFmpeg.swift
+++ b/Sources/macSubtitleOCR/Subtitles/FFmpeg/FFmpeg.swift
@@ -125,10 +125,9 @@ struct FFmpeg {
             // Extract image data (bitmap)
             subtitle.imageWidth = Int(rect.pointee.w)
             subtitle.imageHeight = Int(rect.pointee.h)
-            subtitle.imageXOffset = Int(rect.pointee.linesize.0)
             logger.debug("Image size: \(subtitle.imageWidth!)x\(subtitle.imageHeight!)")
 
-            let imageSize = (subtitle.imageXOffset ?? 0) * (subtitle.imageHeight ?? 0)
+            let imageSize = Int(rect.pointee.linesize.0) * (subtitle.imageHeight ?? 0)
             if let bitmapData = rect.pointee.data.0 {
                 let buffer = UnsafeBufferPointer(start: bitmapData, count: imageSize)
                 subtitle.imageData = Data(buffer)