diff --git a/snappymail/v/0.0.0/themes/SquaresDark/styles.less b/snappymail/v/0.0.0/themes/SquaresDark/styles.less
index fbae0a253..22f8ad9df 100644
--- a/snappymail/v/0.0.0/themes/SquaresDark/styles.less
+++ b/snappymail/v/0.0.0/themes/SquaresDark/styles.less
@@ -66,7 +66,7 @@
 }
 .btn .icon-spinner {
     border-color: #333;
-    border-top-color: #aaa;
+    border-top-color: #ccc;
 }
 .btn .caret {
 	border-top-color: #fff;