diff --git a/pkg/internal/services/analyzer.go b/pkg/internal/services/analyzer.go
index ef18bfc..9272721 100644
--- a/pkg/internal/services/analyzer.go
+++ b/pkg/internal/services/analyzer.go
@@ -99,8 +99,21 @@ func ScanUnanalyzedFileFromDatabase() {
 	}()
 }
 
-func calculateAspectRatio(width, height int, orientation string) float64 {
-	if orientation == "6" || orientation == "8" {
+func parseExifOrientation(output string) (int, error) {
+	parts := strings.Fields(output)
+	if len(parts) < 2 {
+		return 0, fmt.Errorf("unexpected format: %s", output)
+	}
+	orientation, err := strconv.Atoi(parts[len(parts)-1])
+	if err != nil {
+		return 0, fmt.Errorf("invalid orientation value: %s", parts[len(parts)-1])
+	}
+	return orientation, nil
+}
+
+func calculateAspectRatio(width, height int, orientation int) float64 {
+	switch orientation {
+	case 5, 6, 7, 8:
 		width, height = height, width
 	}
 	return float64(width) / float64(height)
@@ -173,7 +186,8 @@ func AnalyzeAttachment(file models.Attachment) error {
 				for _, data := range exif {
 					for k := range data.Fields {
 						if k == "Orientation" {
-							file.Metadata["ratio"] = calculateAspectRatio(width, height, data.Fields[k].(string))
+							ori, _ := parseExifOrientation(data.Fields[k].(string))
+							file.Metadata["ratio"] = calculateAspectRatio(width, height, ori)
 						}
 						if strings.HasPrefix(k, "GPS") {
 							data.Clear(k)
@@ -217,7 +231,8 @@ func AnalyzeAttachment(file models.Attachment) error {
 				for _, data := range exif {
 					for k := range data.Fields {
 						if k == "Orientation" {
-							file.Metadata["ratio"] = calculateAspectRatio(stream.Width, stream.Height, data.Fields[k].(string))
+							ori, _ := parseExifOrientation(data.Fields[k].(string))
+							file.Metadata["ratio"] = calculateAspectRatio(stream.Width, stream.Height, ori)
 						}
 						if strings.HasPrefix(k, "GPS") {
 							data.Clear(k)