diff --git a/includes/service.inc b/includes/service.inc
index 76225fa..7da6558 100644
--- a/includes/service.inc
+++ b/includes/service.inc
@@ -646,6 +646,7 @@ class SearchApiSolrService extends SearchApiAbstractService {
       $ret = array(
         'search_api_id' => 'item_id',
         'search_api_relevance' => 'score',
+        'search_api_random' => 'random',
       );
 
       // Add the names of any fields configured on the index.
@@ -854,6 +855,10 @@ class SearchApiSolrService extends SearchApiAbstractService {
       if (substr($f, 0, 3) == 'ss_') {
         $f = 'sort_' . substr($f, 3);
       }
+      // Random is strictly processed with a order. See SearchApiQueryInterface::sort().
+      if ($field == 'search_api_random') {
+        $f = '';
+      }
       $order = strtolower($order);
       $sort[$field] = "$f $order";
     }
diff --git a/solr-conf/3.x/schema.xml b/solr-conf/3.x/schema.xml
index acc5e4b..e80d7cb 100644
--- a/solr-conf/3.x/schema.xml
+++ b/solr-conf/3.x/schema.xml
@@ -515,7 +515,7 @@
     <dynamicField name="sort_*" type="sortString" indexed="true" stored="false"/>
     <copyField source="ss_*" dest="sort_*"/>
     <!-- A random sort field -->
-    <dynamicField name="random_*" type="rand" indexed="true" stored="true"/>
+    <dynamicField name="random_*" type="rand" indexed="true" stored="false"/>
     <!-- This field is used to store access information (e.g. node access grants), as opposed to field data -->
     <dynamicField name="access_*" type="integer" indexed="true" stored="false" multiValued="true"/>
 
diff --git a/solr-conf/4.x/schema.xml b/solr-conf/4.x/schema.xml
index 6e2b615..f5442c7 100644
--- a/solr-conf/4.x/schema.xml
+++ b/solr-conf/4.x/schema.xml
@@ -521,7 +521,7 @@
     <dynamicField name="sort_*" type="sortString" indexed="true" stored="false"/>
     <copyField source="ss_*" dest="sort_*"/>
     <!-- A random sort field -->
-    <dynamicField name="random_*" type="rand" indexed="true" stored="true"/>
+    <dynamicField name="random_*" type="rand" indexed="true" stored="false"/>
     <!-- This field is used to store access information (e.g. node access grants), as opposed to field data -->
     <dynamicField name="access_*" type="integer" indexed="true" stored="false" multiValued="true"/>