diff --git a/styles/22-patterns-object-card.css b/styles/22-patterns-object-card.css
index 9763288..ed53b23 100644
--- a/styles/22-patterns-object-card.css
+++ b/styles/22-patterns-object-card.css
@@ -77,7 +77,7 @@
   height: auto;
 }
 
-.sg-object-card--notification {
+.sg-card.sg-object-card--notification {
   width: var(--layout-notification-card-width);
   min-width: 0;
   max-width: none;
@@ -100,7 +100,7 @@
     max-width: none;
   }
 
-  .sg-object-card--notification {
+  .sg-card.sg-object-card--notification {
     width: var(--layout-object-card-mobile-width);
     min-width: 0;
     max-width: none;