diff --git a/css/app.css b/css/app.css
index 9edf8946d..ae9bf59a0 100644
--- a/css/app.css
+++ b/css/app.css
@@ -3666,6 +3666,21 @@ img.tile-removing {
   border-radius: 4px 0 0 4px;
 }
 
+[dir='rtl'] .spinner {
+  float: left;
+}
+
+[dir='rtl'] .spinner img {
+  margin-left: 10px;
+  margin-right: auto;
+  -moz-transform: scaleX(-1);
+  -o-transform: scaleX(-1);
+  -webkit-transform: scaleX(-1);
+  transform: scaleX(-1);
+  filter: FlipH;
+  -ms-filter: "FlipH";
+}
+
 /* footer */
 [dir='rtl'] #scale-block {
   float: right;