diff --git a/src/unfold/widgets.py b/src/unfold/widgets.py
index f3f4b51c6..c4fef5720 100644
--- a/src/unfold/widgets.py
+++ b/src/unfold/widgets.py
@@ -370,7 +370,7 @@ def __init__(self, attrs: Optional[Dict[str, Any]] = None) -> None:
 
 
 class UnfoldAdminExpandableTextareaWidget(AdminTextareaWidget):
-    template_name = "unfold/widgets/textarea.html"
+    template_name = "unfold/widgets/textarea_expandable.html"
 
     def __init__(self, attrs: Optional[Dict[str, Any]] = None) -> None:
         attrs = attrs or {}