diff --git a/plugins/woocommerce-admin/client/marketing/overview-multichannel/Campaigns/Campaigns.scss b/plugins/woocommerce-admin/client/marketing/overview-multichannel/Campaigns/Campaigns.scss
index 720b6e2ae16..b5c128ae296 100644
--- a/plugins/woocommerce-admin/client/marketing/overview-multichannel/Campaigns/Campaigns.scss
+++ b/plugins/woocommerce-admin/client/marketing/overview-multichannel/Campaigns/Campaigns.scss
@@ -20,7 +20,7 @@
 	}
 
 	&__content-title {
-		font-size: 13px;
+		@include font-size( 13 );
 		font-weight: 600;
 		line-height: 16px;
 		color: $gray-900;