diff --git a/test/bug/317.js b/test/bug/317.js
new file mode 100755
index 00000000..9e7193c0
--- /dev/null
+++ b/test/bug/317.js
@@ -0,0 +1,47 @@
+describe('Gun', function(){
+	var root;
+	(function(){
+		var env;
+		if(typeof global !== 'undefined'){ env = global }
+		if(typeof window !== 'undefined'){ env = window }
+		root = env.window? env.window : global;
+		try{ env.window && root.localStorage && root.localStorage.clear() }catch(e){}
+		try{ localStorage.clear() }catch(e){}
+		try{ indexedDB.deleteDatabase('radatatest') }catch(e){}
+		try{ require('fs').unlinkSync('data.json') }catch(e){}
+// 		try{ require('../../lib/fsrm')('radatatest') }catch(e){}
+		try{ var expect = global.expect = require("../expect") }catch(e){}
+
+		//root.Gun = root.Gun || require('../gun');
+		if(root.Gun){
+			root.Gun = root.Gun;
+			root.Gun.TESTING = true;
+		} else {
+			root.Gun = require('../../gun');
+			root.Gun.TESTING = true;
+			Gun.serve = require('../../lib/serve');
+//			require('../../lib/file');
+			require('../../lib/store');
+			require('../../lib/rfs');
+//			require('../../sea.js');
+		}
+	}(this));
+
+	describe('API - on', function(){
+		it('put(0) does not trigger map().on(cb) when using file.js', function(done) {
+			var gun = Gun({ localStorage:true, radisk:false }); /// this not works
+// 			var gun = Gun(); /// this works
+			var All = gun.get('AllTests');
+			var Test = gun.get('triggerTest').put({type:'test'});
+			var triggertotal=0;
+			All.set(Test);
+			All.map().on(function(node){
+// 				console.log('ON %s: ', ++triggertotal, node); /// must trigger 2 times
+				++triggertotal;
+				if (triggertotal===2) { done(); }
+			});
+			Test.get('tags').get('test_01').put(1/*, function(ack) { console.log('ACK 1: ', ack); }*/); // does trigger
+			Test.get('tags').get('test_01').put(0/*, function(ack) { console.log('ACK 2: ', ack); }*/); // does not trigger
+		});
+	});
+});