diff --git a/db/install.xml b/db/install.xml
index 64dd341..3624a63 100755
--- a/db/install.xml
+++ b/db/install.xml
@@ -139,7 +139,7 @@
     <TABLE NAME="game_cross" COMMENT="game_cross">
       <FIELDS>
         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
-        <FIELD NAME="usedcols" TYPE="char" LENGTH="50" NOTNULL="false" SEQUENCE="false"/>
+        <FIELD NAME="usedrows" TYPE="int" LENGTH="3" NOTNULL="false" SEQUENCE="false"/>
         <FIELD NAME="usedrows" TYPE="int" LENGTH="3" NOTNULL="false" SEQUENCE="false"/>
         <FIELD NAME="words" TYPE="int" LENGTH="3" NOTNULL="false" SEQUENCE="false"/>
         <FIELD NAME="wordsall" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false"/>
diff --git a/db/upgrade.php b/db/upgrade.php
index 4e3f56d..bea7a9d 100644
--- a/db/upgrade.php
+++ b/db/upgrade.php
@@ -1556,5 +1556,35 @@ function xmldb_game_upgrade($oldversion) {
         $dbman->change_field_type($table, $field);
     }
 
+  if ($oldversion < ($ver = 2017061603)) {
+        $table = new xmldb_table('game_cross');
+        $field = new xmldb_field('usedcols', XMLDB_TYPE_INTEGER, '3', XMLDB_UNSIGNED, null, null, '0', 'id');
+        $dbman->add_field($table, $field);
+
+        $field = new xmldb_field('cols', XMLDB_TYPE_INTEGER, '3', XMLDB_UNSIGNED, null, null, '0', 'id');
+        if ($dbman->field_exists($table, $field)) {
+            $sql = "UPDATE {$CFG->prefix}game_cross SET usedcols=cols";
+            $DB->execute( $sql);
+            $dbman->drop_field($table, $field);
+        } else {
+            $dbman->add_field($table, $field);
+        }
+    }
+
+   if ($oldversion < ($ver = 2017061603)) {
+        $table = new xmldb_table('game_cross');
+        $field = new xmldb_field('usedrows', XMLDB_TYPE_INTEGER, '3', XMLDB_UNSIGNED, null, null, '0', 'id');
+        $dbman->add_field($table, $field);
+
+        $field = new xmldb_field('rows', XMLDB_TYPE_INTEGER, '3', XMLDB_UNSIGNED, null, null, '0', 'id');
+        if ($dbman->field_exists($table, $field)) {
+            $sql = "UPDATE {$CFG->prefix}game_cross SET usedrows=rows";
+            $DB->execute( $sql);
+            $dbman->drop_field($table, $field);
+        } else {
+            $dbman->add_field($table, $field);
+        }
+    }
+
     return true;
 }
diff --git a/version.php b/version.php
index 97a64cb..57ba01a 100644
--- a/version.php
+++ b/version.php
@@ -35,7 +35,7 @@ if (!isset( $plugin)) {
 }
 
 $plugin->component = 'mod_game';  // Full name of the plugin (used for diagnostics).
-$plugin->version   = 2017061301;  // The current module version (Date: YYYYMMDDXX).
+$plugin->version   = 2017061603;  // The current module version (Date: YYYYMMDDXX).
 $plugin->requires  = 2010112400;  // Requires Moodle 2.0.
 $plugin->cron      = 0;           // Period for cron to check this module (secs).
 $plugin->release   = '2017-06-13';