diff --git a/src/sentry/utils/snuba.py b/src/sentry/utils/snuba.py
index 8aac0b2ada5a37..6f1dc953b0d690 100644
--- a/src/sentry/utils/snuba.py
+++ b/src/sentry/utils/snuba.py
@@ -940,6 +940,7 @@ def _preprocess_group_id_redirects(self):
         in_groups = None
         out_groups: set[int | str] = set()
         if "group_id" in self.filter_keys:
+            self.filter_keys = self.filter_keys.copy()
             in_groups = get_all_merged_group_ids(self.filter_keys["group_id"])
             del self.filter_keys["group_id"]