diff --git a/client/web/src/components/ChatBox/ChatInputBox/input.less b/client/web/src/components/ChatBox/ChatInputBox/input.less
index a2a415f2..a86ce034 100644
--- a/client/web/src/components/ChatBox/ChatInputBox/input.less
+++ b/client/web/src/components/ChatBox/ChatInputBox/input.less
@@ -9,6 +9,10 @@
     @apply outline-none;
   }
 
+  &__highlighter--singleLine {
+    @apply whitespace-nowrap h-6 !important;
+  }
+
   &__suggestions {
     @apply bg-transparent !important;