diff --git a/solr-core/omeka/conf/schema.xml b/solr-core/omeka/conf/schema.xml
index e7bb7f7b..3f980e29 100644
--- a/solr-core/omeka/conf/schema.xml
+++ b/solr-core/omeka/conf/schema.xml
@@ -94,7 +94,7 @@
     <field name="title" type="text_en" indexed="true" stored="true" multiValued="true" />
     <field name="tag" type="string" indexed="true" stored="true" multiValued="true" />
     <field name="collection" type="string" indexed="true" stored="true" />
-    <field name="public" type="string" indexed="true" stored="true" />
+    <field name="public" type="boolean" indexed="true" stored="true" />
     <field name="featured" type="boolean" indexed="true" stored="true" />
     <field name="itemtype" type="string" indexed="true" stored="true" />
     <field name="resulttype" type="string" indexed="true" stored="true" />