diff --git a/pyicloud/services/drive.py b/pyicloud/services/drive.py
index 0151a19..83b3363 100644
--- a/pyicloud/services/drive.py
+++ b/pyicloud/services/drive.py
@@ -113,8 +113,8 @@ class DriveService(object):
                 "is_executable": False,
                 "is_hidden": False,
             },
-            "mtime": int(time.time()),
-            "btime": int(time.time()),
+            "mtime": int(time.time() * 1000),
+            "btime": int(time.time() * 1000),
         }
 
         # Add the receipt if we have one. Will be absent for 0-sized files