diff --git a/helper/geojsonify.js b/helper/geojsonify.js
index ec1e20f6..55bfc19d 100644
--- a/helper/geojsonify.js
+++ b/helper/geojsonify.js
@@ -3,23 +3,33 @@ var GeoJSON = require('geojson'),
     extent = require('geojson-extent'),
     outputGenerator = require('./outputGenerator');
 
-function search( docs, params ){
+// Properties to be copied when details=true
+var DETAILS_PROPS = [
+  'alpha3',
+  'admin0',
+  'admin1',
+  'admin1_abbr',
+  'admin2',
+  'local_admin',
+  'locality',
+  'neighborhood',
+  'category',
+  'address'
+];
 
-  // emit a warning if the doc format is invalid
-  // @note: if you see this error, fix it ASAP!
-  function warning(){
-    console.error( 'error: invalid doc', __filename );
-    return false; // remove offending doc from results
-  }
+
+function search( docs, params ){
 
   var details = params ? params.details : {};
   details = details === true || details === 1;
 
   // flatten & expand data for geojson conversion
-  var geodata = docs.map( function( doc ){
+  var geodata = docs.map( function( doc ) {
 
     // something went very wrong
-    if( !doc ) { return warning(); }
+    if( !doc || !doc.hasOwnProperty( 'center_point' ) ) {
+      return warning();
+    }
 
     var output = {};
 
@@ -28,7 +38,6 @@ function search( docs, params ){
     output.layer = doc._type;
 
     // map center_point
-    if( !doc.center_point ) { return warning(); }
     output.lat = parseFloat( doc.center_point.lat );
     output.lng = parseFloat( doc.center_point.lon );
 
@@ -37,15 +46,7 @@ function search( docs, params ){
       if( !doc.name || !doc.name.default ) { return warning(); }
       output.name = doc.name.default;
 
-      // map admin values
-      if( doc.alpha3 ){ output.alpha3 = doc.alpha3; }
-      if( doc.admin0 ){ output.admin0 = doc.admin0; }
-      if( doc.admin1 ){ output.admin1 = doc.admin1; }
-      if( doc.admin1_abbr ){ output.admin1_abbr = doc.admin1_abbr; }
-      if( doc.admin2 ){ output.admin2 = doc.admin2; }
-      if( doc.local_admin ){ output.local_admin = doc.local_admin; }
-      if( doc.locality ){ output.locality = doc.locality; }
-      if( doc.neighborhood ){ output.neighborhood = doc.neighborhood; }
+      copyProperties( doc, DETAILS_PROPS, output );
     }
 
     // generate region-specific text string
@@ -77,4 +78,32 @@ function search( docs, params ){
   return geojson;
 }
 
+/**
+ * Copy specified properties from source to dest.
+ * Ignore missing properties.
+ *
+ * @param {object} source
+ * @param {[]} props
+ * @param {object} dest
+ */
+function copyProperties( source, props, dest ) {
+  props.forEach( function ( prop ) {
+    if ( source.hasOwnProperty( prop ) ) {
+      dest[prop] = source[prop];
+    }
+  });
+}
+
+
+/**
+ * emit a warning if the doc format is invalid
+ *
+ * @note: if you see this error, fix it ASAP!
+ */
+function warning( doc ) {
+  console.error( 'error: invalid doc', __filename, doc );
+  return false; // remove offending doc from results
+}
+
+
 module.exports.search = search;
\ No newline at end of file
diff --git a/sanitiser/reverse.js b/sanitiser/reverse.js
index 52e211b6..780b1c01 100644
--- a/sanitiser/reverse.js
+++ b/sanitiser/reverse.js
@@ -7,10 +7,7 @@ var _sanitize = require('../sanitiser/_sanitize'),
       },
       layers: require('../sanitiser/_layers'),
       details: require('../sanitiser/_details'),
-      size: function( req ) {
-        var size = require('../sanitiser/_size');
-        return size(req, 1);
-      },
+      size: require('../sanitiser/_size'),
       categories: function ( req ) {
         var categories = require('../sanitiser/_categories');
         return categories(req);
diff --git a/test/unit/helper/geojsonify.js b/test/unit/helper/geojsonify.js
index 831c24cc..4f026439 100644
--- a/test/unit/helper/geojsonify.js
+++ b/test/unit/helper/geojsonify.js
@@ -67,7 +67,11 @@ module.exports.tests.search = function(test, common) {
           '\'round midnight jazz and blues bar'
         ],
         'output': 'osmnode:2208150035'
-      }
+      },
+      'category': [
+        'food',
+        'nightlife'
+      ]
     },
     {
       '_id': 'id2',
@@ -119,7 +123,11 @@ module.exports.tests.search = function(test, common) {
           'empire state building'
         ],
         'output': 'osmway:34633854'
-      }
+      },
+      'category': [
+        'tourism',
+        'transport'
+      ]
     }
   ];
 
@@ -148,7 +156,13 @@ module.exports.tests.search = function(test, common) {
           'admin2': 'Angel',
           'local_admin': 'test1',
           'locality': 'test2',
-          'neighborhood': 'test3'
+          'neighborhood': 'test3',
+          'category': [ 'food', 'nightlife' ],
+          'address': {
+            'number': '13',
+            'street': 'Liverpool Road',
+            'zip': 'N1 0RW'
+          }
         }
       },
       {
@@ -196,7 +210,8 @@ module.exports.tests.search = function(test, common) {
           'admin2': 'New York',
           'local_admin': 'Manhattan',
           'locality': 'New York',
-          'neighborhood': 'Koreatown'
+          'neighborhood': 'Koreatown',
+          'category': [ 'tourism', 'transport' ]
         }
       }
     ]
diff --git a/test/unit/sanitiser/reverse.js b/test/unit/sanitiser/reverse.js
index c28eeb03..6dbcda3a 100644
--- a/test/unit/sanitiser/reverse.js
+++ b/test/unit/sanitiser/reverse.js
@@ -8,7 +8,7 @@ var suggest  = require('../../../sanitiser/reverse'),
                       layers: [ 'geoname', 'osmnode', 'osmway', 'admin0', 'admin1', 'admin2', 'neighborhood', 
                                 'locality', 'local_admin', 'osmaddress', 'openaddresses' ], 
                       lon: 0,
-                      size: 1,
+                      size: 10,
                       details: true,
                       categories: []
                     },
@@ -108,7 +108,7 @@ module.exports.tests.sanitize_lon = function(test, common) {
 module.exports.tests.sanitize_size = function(test, common) {
   test('invalid size value', function(t) {
     sanitize({ size: 'a', input: 'test', lat: 0, lon: 0 }, function( err, clean ){
-      t.equal(clean.size, 1, 'default size set');
+      t.equal(clean.size, 10, 'default size set');
       t.end();
     });
   });