diff --git a/.server-changes/fix-clickhouse-query-client-secure-param.md b/.server-changes/fix-clickhouse-query-client-secure-param.md
new file mode 100644
index 0000000000..4daa021fe4
--- /dev/null
+++ b/.server-changes/fix-clickhouse-query-client-secure-param.md
@@ -0,0 +1,6 @@
+---
+area: webapp
+type: fix
+---
+
+Strip `secure` query parameter from QUERY_CLICKHOUSE_URL before passing to ClickHouse client. This was already done for the main and logs ClickHouse clients but was missing for the query client, causing a startup crash with `Error: Unknown URL parameters: secure`.
diff --git a/apps/webapp/app/services/clickhouseInstance.server.ts b/apps/webapp/app/services/clickhouseInstance.server.ts
index f88b3baaae..61494811a0 100644
--- a/apps/webapp/app/services/clickhouseInstance.server.ts
+++ b/apps/webapp/app/services/clickhouseInstance.server.ts
@@ -83,6 +83,9 @@ function initializeQueryClickhouseClient() {
 
   const url = new URL(env.QUERY_CLICKHOUSE_URL);
 
+  // Remove secure param
+  url.searchParams.delete("secure");
+
   return new ClickHouse({
     url: url.toString(),
     name: "query-clickhouse",