diff --git a/lib/file.js b/lib/file.js
index ff24c27a..a8baf0e9 100644
--- a/lib/file.js
+++ b/lib/file.js
@@ -19,13 +19,30 @@ Gun.on('opt').event(function(gun, opts) {
 	});
 	all.keys = all.keys || {};
 	all.nodes = all.nodes || {};
+
+	// adapted from https://github.com/toolness/jsondown/blob/master/jsondown.js
+  var isWriting = false, queuedWrites = [];
+	function writeFile(cb,info) {
+		if (isWriting) return queuedWrites.push(cb);
+		isWriting = true;
+		fs.writeFile(opts.file, Gun.text.ify(all), function(err) {
+			isWriting = false;
+			cb(err);
+			if (queuedWrites.length)
+				writeFile( function(err) {
+					queuedWrites.forEach(function(cb) { cb(err); })
+		    });
+				queuedWrites=[];
+		});
+  }
+
 	gun.opt({hooks: {
 		get: function get(key, cb, o){
 			var graph, soul;
 			if(soul = Gun.is.soul(key)){
 				if(all.nodes[soul]){
 					(graph = {})[soul] = all.nodes[soul];
-					cb(null, graph); 
+					cb(null, graph);
 					(graph = {})[soul] = Gun.union.pseudo(soul);
 					cb(null, graph); // end.
 				}
@@ -37,14 +54,14 @@ Gun.on('opt').event(function(gun, opts) {
 			return soul? cb(null, {}) : cb(null, null);
 		},
 		put: function(graph, cb, o){
-			all.nodes = gun.__.graph;
-			fs.writeFile(opts.file, Gun.text.ify(all), cb);
+			for (key in gun.__.graph) all.nodes[key]=gun.__.graph[key];
+			writeFile(cb);
 		},
 		key: function(key, soul, cb, o){
 			var meta = {};
 			meta[Gun._.soul] = soul = Gun.is.soul(soul) || soul;
 			((all.keys = all.keys || {})[key] = all.keys[key] || {})[soul] = meta;
-			fs.writeFile(opts.file, Gun.text.ify(all), cb);
+			writeFile(cb);
 		},
 		all: function(list, opt, cb) {
 			opt = opt || {};
@@ -85,4 +102,4 @@ Gun.on('opt').event(function(gun, opts) {
 		cb = cb || function() {};
 		cb(null, r);
 	}
-});
\ No newline at end of file
+});