diff --git a/core/css/header.scss b/core/css/header.scss
index 1844022e8a..21305de0d0 100644
--- a/core/css/header.scss
+++ b/core/css/header.scss
@@ -461,6 +461,8 @@ nav {
 	}
 	.app-loading .icon-loading-small-dark {
 		top:12px;
+		width: 20px;
+		height: 20px;
 	}