diff --git a/scss/mixins/_cards.scss b/scss/mixins/_cards.scss
index bad98327d1..574349abad 100644
--- a/scss/mixins/_cards.scss
+++ b/scss/mixins/_cards.scss
@@ -32,6 +32,7 @@
   }
   .card-link,
   .card-text,
+  .card-subtitle,
   .card-blockquote .blockquote-footer {
     color: rgba(255,255,255,.65);
   }