diff --git a/res/css/structures/auth/_Login.scss b/res/css/structures/auth/_Login.scss
index 390e091289..c4aaaca1d0 100644
--- a/res/css/structures/auth/_Login.scss
+++ b/res/css/structures/auth/_Login.scss
@@ -96,7 +96,7 @@ div.mx_AccessibleButton_kind_link.mx_Login_forgot {
         cursor: not-allowed;
     }
 }
-.mx_Login--spinner {
+.mx_Login_spinner {
     display: flex;
     justify-content: center;
     align-items: center;