diff --git a/apps/desktop/src/styles.css b/apps/desktop/src/styles.css
index 16a6da217b..9c42c820df 100644
--- a/apps/desktop/src/styles.css
+++ b/apps/desktop/src/styles.css
@@ -472,7 +472,7 @@
     --sticky-human-top: 0.23rem;
     --file-tree-row-height: 1.375rem;
 
-    --composer-width: 48.75rem;
+    --composer-width: 100%;
     --composer-control-size: 1.5rem;
     --composer-control-primary-size: 1.625rem;
     --composer-control-gap: 0.25rem;