diff --git a/templates/solr.service.j2 b/templates/solr.service.j2
index 42ee916..c0978e4 100644
--- a/templates/solr.service.j2
+++ b/templates/solr.service.j2
@@ -7,7 +7,7 @@ Type = forking
 User={{ dataverse.solr.user }}
 Group={{ dataverse.solr.group }}
 WorkingDirectory = {{ dataverse.solr.root }}
-ExecStart = {{ dataverse.solr.root }}/bin/solr start -j "jetty.host={{ dataverse.solr.listen }}"
+ExecStart = {{ dataverse.solr.root }}/bin/solr start -m 1g
 ExecStop = {{ dataverse.solr.root }}/bin/solr stop
 Restart=on-failure
 LimitNPROC=65000