diff --git a/apps/desktop/src/app/chat/composer/index.tsx b/apps/desktop/src/app/chat/composer/index.tsx
index ce0e43d7d1cc..5d8d4ab0aadd 100644
--- a/apps/desktop/src/app/chat/composer/index.tsx
+++ b/apps/desktop/src/app/chat/composer/index.tsx
@@ -734,7 +734,7 @@ export function ChatBar({
         autoCapitalize="off"
         autoCorrect="off"
         className={cn(
-          'min-h-(--composer-input-min-height) max-h-(--composer-input-max-height) cursor-text overflow-y-auto whitespace-pre-wrap break-words [overflow-wrap:anywhere] bg-transparent pb-1 pr-1 pt-1 leading-normal text-foreground outline-none disabled:cursor-not-allowed',
+          'min-h-[1.625rem] min-h-(--composer-input-min-height) max-h-(--composer-input-max-height) cursor-text overflow-y-auto whitespace-pre-wrap break-words [overflow-wrap:anywhere] bg-transparent pb-1 pr-1 pt-1 leading-normal text-foreground outline-none disabled:cursor-not-allowed',
           'empty:before:content-[attr(data-placeholder)] empty:before:text-muted-foreground/60',
           '**:data-ref-text:cursor-default',
           stacked && 'pl-3',
diff --git a/apps/desktop/src/app/chat/composer/rich-editor.ts b/apps/desktop/src/app/chat/composer/rich-editor.ts
index 2587202c96a2..71491b87496d 100644
--- a/apps/desktop/src/app/chat/composer/rich-editor.ts
+++ b/apps/desktop/src/app/chat/composer/rich-editor.ts
@@ -360,4 +360,13 @@ export function normalizeComposerEditorDom(editor: HTMLElement) {
       editor.removeChild(last)
     }
   }
+
+  // ContentEditable elements with no children can visually collapse to
+  // near-zero height in some browsers (especially Chromium), causing the
+  // composer to appear as a tiny dot/pixel. Ensure there's always at least
+  // one <br> so the element maintains intrinsic height. The CSS min-height
+  // is a belt; the <br> is suspenders — together they prevent the shrink.
+  if (editor.childNodes.length === 0) {
+    editor.appendChild(document.createElement('br'))
+  }
 }