diff --git a/tests/test_mcp_server.py b/tests/test_mcp_server.py
index 953cd27..27f4251 100644
--- a/tests/test_mcp_server.py
+++ b/tests/test_mcp_server.py
@@ -9,6 +9,7 @@ via monkeypatch to avoid touching real data.
 from datetime import datetime
 import json
 import os
+from types import SimpleNamespace
 import subprocess
 import sys
 from unittest.mock import MagicMock
@@ -1068,6 +1069,38 @@ class TestSearchTool:
         assert "results" in result
         assert result.get("index_recovered") is True
 
+    def test_search_retry_preserves_collection_name(self, monkeypatch, config, kg):
+        """Retry path must query the same configured collection both times."""
+        _patch_mcp_server(monkeypatch, config, kg)
+        from mempalace import mcp_server
+
+        monkeypatch.setattr(
+            mcp_server,
+            "_config",
+            SimpleNamespace(
+                palace_path=config.palace_path,
+                collection_name="custom_drawers",
+            ),
+        )
+        seen_collection_names = []
+
+        def fake_search(*args, **kwargs):
+            seen_collection_names.append(kwargs.get("collection_name"))
+            if len(seen_collection_names) == 1:
+                return {
+                    "error": "Search error: Error executing plan: Internal error: Error finding id"
+                }
+            return {"results": [{"text": "ok", "wing": "w", "room": "r"}]}
+
+        monkeypatch.setattr(mcp_server, "search_memories", fake_search)
+        monkeypatch.setattr(mcp_server, "_force_chroma_cache_reset", lambda: None)
+        monkeypatch.setattr(mcp_server.time, "sleep", lambda _: None)
+
+        result = mcp_server.tool_search(query="anything", wing="wing_api")
+
+        assert "results" in result
+        assert seen_collection_names == ["custom_drawers", "custom_drawers"]
+
     def test_search_does_not_retry_on_non_transient_error(self, monkeypatch, config, kg):
         """Validation / unrelated errors must not trigger the retry path."""
         _patch_mcp_server(monkeypatch, config, kg)