diff --git a/app/assets/stylesheets/common/base/topic-post.scss b/app/assets/stylesheets/common/base/topic-post.scss
index d71315f7ce5..303883e5c26 100644
--- a/app/assets/stylesheets/common/base/topic-post.scss
+++ b/app/assets/stylesheets/common/base/topic-post.scss
@@ -161,6 +161,7 @@
 
   .post-infos {
     display: flex;
+    flex: 0 0 auto;
     align-items: baseline;
   }
 }