diff --git a/lib/dbwrap.js b/lib/dbwrap.js
index c480e01..f7d2887 100644
--- a/lib/dbwrap.js
+++ b/lib/dbwrap.js
@@ -228,16 +228,19 @@ function wrap(db, dir, dbsMap) {
 
     DB.find = function (obj, params) {
       var err;
-      Object.keys(obj).forEach(function (key) {
-        if (undefined === obj[key]) {
-          err = new Error("'" + key + "' was `undefined'. For security purposes you must explicitly set the value to null or ''");
-        }
-      });
+      var sql = 'SELECT * FROM \'' + tablename + '\' ';
+      var keys = obj && Object.keys(obj);
+
+      if (obj) {
+        Object.keys(obj).forEach(function (key) {
+          if (undefined === obj[key]) {
+            err = new Error("'" + key + "' was `undefined'. For security purposes you must explicitly set the value to null or ''");
+          }
+        });
+      }
       if (err) {
         return PromiseA.reject(err);
       }
-      var sql = 'SELECT * FROM \'' + tablename + '\' ';
-      var keys = obj && Object.keys(obj);
 
       if (obj && keys.length) {
         sql += 'WHERE ';
@@ -255,7 +258,7 @@ function wrap(db, dir, dbsMap) {
           }
         });
       }
-      else if (null !== obj1 || (params && !params.limit)) {
+      else if (null !== obj || (params && !params.limit)) {
         return PromiseA.reject(new Error("to find all you must explicitly specify find(null, { limit: <<int>> })"));
       }