diff --git a/lib/sqlite.core.js b/lib/sqlite.core.js
index d1c2e741..e64e0070 100644
--- a/lib/sqlite.core.js
+++ b/lib/sqlite.core.js
@@ -56,7 +56,7 @@ let nextTick = setImmediate ||  function(fun) {
 if (global.window) {
   nextTick = window.setImmediate || function(fun) {
     window.setTimeout(fun, 0);
-  };  
+  };
 }
 
 /*
@@ -94,6 +94,12 @@ plugin.log = function(...messages) {
   }
 }
 
+plugin.error = function(...message) {
+  if (plugin.sqlitePlugin.DEBUG) {
+    console.error(...message);
+  }
+}
+
 SQLitePlugin = function(openargs, openSuccess, openError) {
   var dbname;
   if (!(openargs && openargs['name'])) {
@@ -501,10 +507,6 @@ SQLitePluginTransaction.prototype.addStatement = function(sql, values, success,
       } else if (t === 'boolean') {
         //Convert true -> 1 / false -> 0
         params.push(~~v);
-      }
-      else if (t !== 'function') {
-        params.push(v.toString());
-        plugin.warn('addStatement - parameter of type <'+t+'> converted to string using toString()')
       } else {
         let errorMsg = 'Unsupported parameter type <'+t+'> found in addStatement()';
         plugin.error(errorMsg);
@@ -598,7 +600,7 @@ SQLitePluginTransaction.prototype.run = function() {
       }
     };
   };
-  
+
   i = 0;
   callbacks = [];
   while (i < batchExecutes.length) {