diff --git a/assets/sass/components/_buttons.scss b/assets/sass/components/_buttons.scss
index 00ffc00..3bcb7a7 100644
--- a/assets/sass/components/_buttons.scss
+++ b/assets/sass/components/_buttons.scss
@@ -22,7 +22,7 @@
         color: $brand-colour;
         border: 1px solid $brand-colour;    
     }
-    .is-disabled,
+    &.is-disabled,
     &:disabled {
         pointer-events: none;
         opacity: .65;
@@ -51,4 +51,4 @@
 .btn--link {
     background-color: transparent;
     color: $brand-colour;
-}
\ No newline at end of file
+}