diff --git a/src/plugins/fts-solr/solr-connection.c b/src/plugins/fts-solr/solr-connection.c
index 12567938ab4..06077812b60 100644
--- a/src/plugins/fts-solr/solr-connection.c
+++ b/src/plugins/fts-solr/solr-connection.c
@@ -118,6 +118,8 @@ void solr_connection_deinit(struct solr_connection **_conn)
 
 	*_conn = NULL;
 	event_unref(&conn->event);
+	if (solr_http_client != NULL)
+		http_client_deinit(&solr_http_client);
 	i_free(conn->http_host);
 	i_free(conn->http_base_url);
 	i_free(conn->http_user);