diff --git a/stylesheets/style.css b/stylesheets/style.css
index ffa7c731..b173a4d1 100644
--- a/stylesheets/style.css
+++ b/stylesheets/style.css
@@ -1018,6 +1018,7 @@ pre {
 
 .poster_id {
   cursor: pointer;
+  white-space:nowrap;
 }
 
 .poster_id::before {