diff --git a/upload/static/js/common_extra.js b/upload/static/js/common_extra.js
index 7c158abd2324b08b70b187f2373214bd4d94cc26..0380a645c29a11123cc51a2ba28874c3e8ef520a 100644
--- a/upload/static/js/common_extra.js
+++ b/upload/static/js/common_extra.js
@@ -432,7 +432,7 @@ function _zoom(obj, zimg, nocover, pn, showexif) {
 				ratio = step/ele.height;
 				ele.height += step;
 				ele.width = imgw*(ele.height/imgh);
-			} else if(imgw < imgh) {
+			} else {
 				ratio = step/ele.width;
 				ele.width += step;
 				ele.height = imgh*(ele.width/imgw);