diff --git a/less/topic.less b/less/topic.less
index 04eb69c..50e7c86 100644
--- a/less/topic.less
+++ b/less/topic.less
@@ -574,6 +574,9 @@
 }
 
 [component="post"] {
+	.avatar.avatar-sm2x {
+		font-size: 2.875rem;
+	}
 
 	>.post-header [component="user/picture"], >.post-header [component="user/status"] {
 		opacity: 1;