diff --git a/television/preview/previewers/files.rs b/television/preview/previewers/files.rs
index 7438e9d..7615c7d 100644
--- a/television/preview/previewers/files.rs
+++ b/television/preview/previewers/files.rs
@@ -284,7 +284,7 @@ pub fn try_preview(
         };
         if let Some(image) = option_image {
             let preview_window_dimension = preview_window.map(|rect| {
-                (u32::from(rect.width - 2), u32::from(rect.height - 2)) // - 2 for the marge
+                (u32::from(rect.width.saturating_sub(2)), u32::from(rect.height.saturating_sub(2))) // - 2 for the margin
             });
             let image_preview_widget = ImagePreviewWidget::from_dynamic_image(
                 image,