diff --git a/Hlt/Moore/python/Moore/qmtest/context.py b/Hlt/Moore/python/Moore/qmtest/context.py
index d5ab1384c5edf8b09a6832a42604c33ff1aeca2b..896bd254b5be856015f29b35b66b966249466c7e 100644
--- a/Hlt/Moore/python/Moore/qmtest/context.py
+++ b/Hlt/Moore/python/Moore/qmtest/context.py
@@ -114,7 +114,8 @@ def download_mdf_inputs_locally(urls, dest_dir, max_size=None):
             # prepend hash of full URL in case basenames are not unique
             basename = '{}_{}'.format(
                 hashlib.md5(url.encode()).hexdigest(), os.path.basename(url))
-            assert basename.endswith('.mdf') or basename.endswith('.raw')
+            assert basename.endswith('.mdf') or basename.endswith(
+                '.raw') or basename.endswith('.mep')
             dest = os.path.join(dest_dir, basename)
             src_size = xrd_size(url)
             size_to_copy = (min(src_size,