diff --git a/fsl/utils/filetree/__init__.py b/fsl/utils/filetree/__init__.py
index f037014ea390477bff20fb289d99d596802cff3e..174b59cc63f389cf896c482f22192254a2061a0c 100644
--- a/fsl/utils/filetree/__init__.py
+++ b/fsl/utils/filetree/__init__.py
@@ -325,6 +325,7 @@ from .query import FileTreeQuery
 import fsl.utils.deprecated as deprecated
 
 deprecated.warn('fsl.utils.filetree',
+                stacklevel=2,
                 vin='3.6.0',
                 rin='4.0.0',
                 msg='The filetree package is now released as a separate '