diff --git a/src/earthkit/data/core/caching.py b/src/earthkit/data/core/caching.py
index c84ad73be..59549a44a 100644
--- a/src/earthkit/data/core/caching.py
+++ b/src/earthkit/data/core/caching.py
@@ -1035,6 +1035,7 @@ def cache_file(
     else:
         # path can be a file or a directory. We have to make the name unique.
         m = hashlib.sha256()
+        m.update(json.dumps(args, sort_keys=True, default=default_serialiser).encode("utf-8"))
         m.update(datetime.datetime.now().isoformat().encode("utf-8"))
         m.update(str(randrange(10000000)).encode("utf-8"))
 
diff --git a/src/earthkit/data/utils/batch.py b/src/earthkit/data/utils/batch.py
index 6ff22028c..1c9ced2ef 100644
--- a/src/earthkit/data/utils/batch.py
+++ b/src/earthkit/data/utils/batch.py
@@ -87,7 +87,7 @@ def _metadata(self, data, keys):
 
 class IndexedIter(Iter):
     def _iterator(self, data):
-        print(f"{data=} {len(data)}")
+        # print(f"{data=} {len(data)}")
         return iter(range(len(data)))
 
     def _from_batch(self, obj, batch):