diff --git a/packages/ui/src/components/message-part.css b/packages/ui/src/components/message-part.css
index b154f981c..a29929058 100644
--- a/packages/ui/src/components/message-part.css
+++ b/packages/ui/src/components/message-part.css
@@ -77,7 +77,7 @@
 
   [data-slot="user-message-text"] {
     white-space: pre-wrap;
-    overflow: hidden;
+    overflow-x: auto;
     background: var(--surface-base);
     padding: 8px 12px;
     border-radius: 4px;
diff --git a/packages/ui/src/components/session-turn.css b/packages/ui/src/components/session-turn.css
index 6725f178d..9b7aa7364 100644
--- a/packages/ui/src/components/session-turn.css
+++ b/packages/ui/src/components/session-turn.css
@@ -59,6 +59,7 @@
 
   [data-slot="session-turn-message-content"] {
     margin-top: -18px;
+    max-width: 100%;
   }
 
   [data-slot="session-turn-message-title"] {