diff --git a/frontend/src/components/Composer.css b/frontend/src/components/Composer.css
index 63abfb3..37a1fb6 100644
--- a/frontend/src/components/Composer.css
+++ b/frontend/src/components/Composer.css
@@ -15,6 +15,7 @@
 
 .composer-box textarea {
   flex: 1;
+  min-width: 0;
   resize: none;
   background: var(--ds-surface-2);
   border: 1px solid var(--ds-border);