diff --git a/src/spikeinterface/widgets/crosscorrelograms.py b/src/spikeinterface/widgets/crosscorrelograms.py
index 6eb565d56a..e70a5775e6 100644
--- a/src/spikeinterface/widgets/crosscorrelograms.py
+++ b/src/spikeinterface/widgets/crosscorrelograms.py
@@ -46,7 +46,9 @@ def __init__(
         backend=None,
         **backend_kwargs,
     ):
-        sorting_analyzer_or_sorting = self.ensure_sorting_analyzer(sorting_analyzer_or_sorting)
+
+        if not isinstance(sorting_analyzer_or_sorting, BaseSorting):
+            sorting_analyzer_or_sorting = self.ensure_sorting_analyzer(sorting_analyzer_or_sorting)
 
         if min_similarity_for_correlograms is None:
             min_similarity_for_correlograms = 0