diff --git a/cmd/WiiUDownloader/progressWindow.go b/cmd/WiiUDownloader/progressWindow.go
index eee0935..779ea2e 100644
--- a/cmd/WiiUDownloader/progressWindow.go
+++ b/cmd/WiiUDownloader/progressWindow.go
@@ -10,13 +10,15 @@ import (
 )
 
 type ProgressWindow struct {
-	Window       *gtk.Window
-	box          *gtk.Box
-	gameLabel    *gtk.Label
-	bar          *gtk.ProgressBar
-	cancelButton *gtk.Button
-	cancelled    bool
-	cancelFunc   context.CancelFunc
+	Window          *gtk.Window
+	box             *gtk.Box
+	gameLabel       *gtk.Label
+	bar             *gtk.ProgressBar
+	cancelButton    *gtk.Button
+	cancelled       bool
+	cancelFunc      context.CancelFunc
+	totalToDownload int64
+	totalDownloaded int64
 }
 
 func (pw *ProgressWindow) SetGameTitle(title string) {
@@ -28,11 +30,12 @@ func (pw *ProgressWindow) SetGameTitle(title string) {
 	}
 }
 
-func (pw *ProgressWindow) UpdateDownloadProgress(downloaded, total, speed int64, filePath string) {
+func (pw *ProgressWindow) UpdateDownloadProgress(downloaded, speed int64, filePath string) {
 	glib.IdleAdd(func() {
 		pw.cancelButton.SetSensitive(true)
-		pw.bar.SetFraction(float64(downloaded) / float64(total))
-		pw.bar.SetText(fmt.Sprintf("Downloading %s (%s/%s) (%s/s)", filePath, humanize.Bytes(uint64(downloaded)), humanize.Bytes(uint64(total)), humanize.Bytes(uint64(speed))))
+		currentDownload := downloaded + pw.totalDownloaded
+		pw.bar.SetFraction(float64(currentDownload) / float64(pw.totalToDownload))
+		pw.bar.SetText(fmt.Sprintf("Downloading %s (%s/%s) (%s/s)", filePath, humanize.Bytes(uint64(currentDownload)), humanize.Bytes(uint64(pw.totalToDownload)), humanize.Bytes(uint64(speed))))
 	})
 	for gtk.EventsPending() {
 		gtk.MainIteration()
@@ -58,6 +61,18 @@ func (pw *ProgressWindow) SetCancelled() {
 	pw.cancelFunc()
 }
 
+func (pw *ProgressWindow) SetDownloadSize(size int64) {
+	pw.totalToDownload = size
+}
+
+func (pw *ProgressWindow) SetTotalDownloaded(total int64) {
+	pw.totalDownloaded = total
+}
+
+func (pw *ProgressWindow) AddToTotalDownloaded(toAdd int64) {
+	pw.totalDownloaded += toAdd
+}
+
 func createProgressWindow(parent *gtk.ApplicationWindow) (*ProgressWindow, error) {
 	win, err := gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
 	if err != nil {
diff --git a/downloader.go b/downloader.go
index 8da9cb3..b3e7e0e 100644
--- a/downloader.go
+++ b/downloader.go
@@ -24,10 +24,13 @@ const (
 
 type ProgressReporter interface {
 	SetGameTitle(title string)
-	UpdateDownloadProgress(downloaded, total int64, speed int64, filePath string)
+	UpdateDownloadProgress(downloaded, speed int64, filePath string)
 	UpdateDecryptionProgress(progress float64)
 	Cancelled() bool
 	SetCancelled()
+	SetDownloadSize(size int64)
+	SetTotalDownloaded(total int64)
+	AddToTotalDownloaded(toAdd int64)
 }
 
 func calculateDownloadSpeed(downloaded int64, startTime, endTime time.Time) int64 {
@@ -70,7 +73,6 @@ func downloadFile(ctx context.Context, progressReporter ProgressReporter, client
 		}
 		defer file.Close()
 
-		total := resp.ContentLength
 		buffer := make([]byte, bufferSize)
 		var downloaded int64
 
@@ -101,7 +103,7 @@ func downloadFile(ctx context.Context, progressReporter ProgressReporter, client
 			downloaded += int64(n)
 			endTime := time.Now()
 			speed = calculateDownloadSpeed(downloaded, startTime, endTime)
-			progressReporter.UpdateDownloadProgress(downloaded, total, speed, filePath)
+			progressReporter.UpdateDownloadProgress(downloaded, speed, filePath)
 		}
 		break
 	}
@@ -112,6 +114,7 @@ func downloadFile(ctx context.Context, progressReporter ProgressReporter, client
 func DownloadTitle(cancelCtx context.Context, titleID, outputDirectory string, doDecryption bool, progressReporter ProgressReporter, deleteEncryptedContents bool, logger *Logger) error {
 	titleEntry := getTitleEntryFromTid(titleID)
 
+	progressReporter.SetTotalDownloaded(0)
 	progressReporter.SetGameTitle(titleEntry.Name)
 
 	outputDir := strings.TrimRight(outputDirectory, "/\\")
@@ -168,6 +171,22 @@ func DownloadTitle(cancelCtx context.Context, titleID, outputDirectory string, d
 		return err
 	}
 
+	var titleSize uint64
+	var contentSizes []uint64
+	for i := 0; i < int(contentCount); i++ {
+		contentDataLoc := 0xB04 + (0x30 * i)
+
+		var contentSizeInt uint64
+		if err := binary.Read(bytes.NewReader(tmdData[contentDataLoc+8:contentDataLoc+8+8]), binary.BigEndian, &contentSizeInt); err != nil {
+			return err
+		}
+
+		titleSize += contentSizeInt
+		contentSizes = append(contentSizes, contentSizeInt)
+	}
+
+	progressReporter.SetDownloadSize(int64(titleSize))
+
 	cert, err := GenerateCert(tmdData, contentCount, progressReporter, client, cancelCtx)
 	if err != nil {
 		if progressReporter.Cancelled() {
@@ -218,6 +237,7 @@ func DownloadTitle(cancelCtx context.Context, titleID, outputDirectory string, d
 			}
 			return err
 		}
+		progressReporter.AddToTotalDownloaded(int64(contentSizes[i]))
 
 		if tmdData[offset+7]&0x2 == 2 {
 			filePath = filepath.Join(outputDir, fmt.Sprintf("%08X.h3", id))
@@ -229,13 +249,7 @@ func DownloadTitle(cancelCtx context.Context, titleID, outputDirectory string, d
 			}
 			content.Hash = tmdData[offset+16 : offset+0x14]
 			content.ID = fmt.Sprintf("%08X", id)
-			tmdDataReader.Seek(int64(offset+8), 0)
-			if err := binary.Read(tmdDataReader, binary.BigEndian, &content.Size); err != nil {
-				if progressReporter.Cancelled() {
-					break
-				}
-				return err
-			}
+			content.Size = int64(contentSizes[i])
 			if err := checkContentHashes(outputDirectory, content, cipherHashTree); err != nil {
 				if progressReporter.Cancelled() {
 					break