diff --git a/src/octoprint/server/api/files.py b/src/octoprint/server/api/files.py
index 63ddf7bc..a5fa1b7c 100644
--- a/src/octoprint/server/api/files.py
+++ b/src/octoprint/server/api/files.py
@@ -65,7 +65,7 @@ def _create_lastmodified(path, recursive):
 
 def _create_etag(path, recursive, lm=None):
 	if lm is None:
-		lm = _create_lastmodified(path)
+		lm = _create_lastmodified(path, recursive)
 
 	if lm is None:
 		return None