diff --git a/plugins/manticoresearch/conf/manticore.conf b/plugins/manticoresearch/conf/manticore.conf
index de93f5f85..9b464666b 100755
--- a/plugins/manticoresearch/conf/manticore.conf
+++ b/plugins/manticoresearch/conf/manticore.conf
@@ -1,3 +1,7 @@
+indexer {
+  mem_limit = 1G
+}
+
 searchd {
     listen = 127.0.0.1:9322
     listen = 127.0.0.1:9326:mysql