diff --git a/solr-4.3.x.cfg b/solr-4.3.x.cfg
index f7f7242..85c781b 100644
--- a/solr-4.3.x.cfg
+++ b/solr-4.3.x.cfg
@@ -24,6 +24,7 @@ max-num-results = 500
 section-name = SOLR
 unique-key = UID
 default-search-field = Title
+default-operator = and
 logdir = ${buildout:directory}/var/solr
 java_opts =
   -Xms${settings:solr-min-ram}