diff --git a/file-search/launcher.luau b/file-search/launcher.luau
index cb591dd..f73e88a 100644
--- a/file-search/launcher.luau
+++ b/file-search/launcher.luau
@@ -155,7 +155,15 @@ local function buildIndex(query)
         local queued = pendingQuery
         pendingQuery = nil
         if result.exitCode == 0 and not result.timedOut then
-            runQuery(queued or query)
+            if indexKey() ~= key then
+                -- Settings changed while the walk was running: the cache
+                -- holds paths relative to the old root, and activation
+                -- would join them to the new one. Rebuild instead of
+                -- searching stale records (mirrors the panel).
+                buildIndex(queued or query)
+            else
+                runQuery(queued or query)
+            end
         else
             launcher.setResults(queued or query, { noopRow("err_index") })
         end
diff --git a/file-search/plugin.toml b/file-search/plugin.toml
index 1d690c6..f887d12 100644
--- a/file-search/plugin.toml
+++ b/file-search/plugin.toml
@@ -6,7 +6,7 @@
 
 id = "nightwatch75/file-search"
 name = "File Search"
-version = "0.0.9"
+version = "0.0.10"
 plugin_api = 3
 author = "nightwatch75"
 license = "MIT"