diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1d3e1115..33856463 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Deprecated
 ### Removed
 ### Fixed
+- Fixed Search helper to ensure proper retention of the _collapse attribute in chained operations. ([#771](https://github.com/opensearch-project/opensearch-py/pull/771))
 ### Updated APIs
 - Updated opensearch-py APIs to reflect [opensearch-api-specification@7452827](https://github.com/opensearch-project/opensearch-api-specification/commit/745282767026703ea27967d2705633c3e2661c97)
 - Updated opensearch-py APIs to reflect [opensearch-api-specification@f2afd71](https://github.com/opensearch-project/opensearch-api-specification/commit/f2afd7171406c7477fbd644d74087bb0e2948c75)
diff --git a/opensearchpy/helpers/search.py b/opensearchpy/helpers/search.py
index 5693e916..aa157b10 100644
--- a/opensearchpy/helpers/search.py
+++ b/opensearchpy/helpers/search.py
@@ -431,6 +431,7 @@ def _clone(self) -> Any:
         s._highlight_opts = self._highlight_opts.copy()
         s._suggest = self._suggest.copy()
         s._script_fields = self._script_fields.copy()
+        s._collapse = self._collapse.copy()
         for x in ("query", "post_filter"):
             getattr(s, x)._proxied = getattr(self, x)._proxied
 
diff --git a/test_opensearchpy/test_helpers/test_search.py b/test_opensearchpy/test_helpers/test_search.py
index c7fa20c5..4bb6cdb5 100644
--- a/test_opensearchpy/test_helpers/test_search.py
+++ b/test_opensearchpy/test_helpers/test_search.py
@@ -622,3 +622,19 @@ def test_rescore_query_to_dict() -> None:
             },
         },
     }
+
+
+def test_collapse_chaining() -> None:
+    s = search.Search(index="index_name")
+    s = s.filter("term", color="red")
+    s = s.collapse(field="category")
+    s = s.filter("term", brand="something")
+
+    assert {
+        "query": {
+            "bool": {
+                "filter": [{"term": {"color": "red"}}, {"term": {"brand": "something"}}]
+            }
+        },
+        "collapse": {"field": "category"},
+    } == s.to_dict()