diff --git a/croppa/main.py b/croppa/main.py
index 5fad58b..64f1172 100644
--- a/croppa/main.py
+++ b/croppa/main.py
@@ -1328,10 +1328,11 @@ class VideoEditor:
             offy = 0
         zx = rx2 * self.zoom_factor - offx
         zy = ry2 * self.zoom_factor - offy
-        visible_w = new_w if not cropped_due_to_zoom else self.window_width
-        visible_h = new_h if not cropped_due_to_zoom else self.window_height
+        visible_w = new_w if not cropped_due_to_zoom else min(new_w, self.window_width)
+        visible_h = new_h if not cropped_due_to_zoom else min(new_h, self.window_height)
         available_height = self.window_height - (0 if self.is_image_mode else self.TIMELINE_HEIGHT)
-        scale_canvas = min(self.window_width / max(1, visible_w), available_height / max(1, visible_h))
+        scale_raw = min(self.window_width / max(1, visible_w), available_height / max(1, visible_h))
+        scale_canvas = scale_raw if scale_raw < 1.0 else 1.0
         final_w = int(visible_w * scale_canvas)
         final_h = int(visible_h * scale_canvas)
         start_x_canvas = (self.window_width - final_w) // 2