diff --git a/src/log.js b/src/log.js
index 80fae6b0..fac8808a 100644
--- a/src/log.js
+++ b/src/log.js
@@ -2,10 +2,11 @@
 
 const colors = require("chalk");
 const read = require("read");
-const moment = require("moment");
 
 function timestamp() {
-	return colors.dim(module.exports.getHumanDate());
+	const datetime = (new Date()).toISOString().split(".")[0].replace("T", " ");
+
+	return colors.dim(datetime);
 }
 
 module.exports = {
@@ -31,8 +32,4 @@ module.exports = {
 		options.prompt = [timestamp(), colors.cyan("[PROMPT]"), options.text].join(" ");
 		read(options, callback);
 	},
-
-	getHumanDate(ts) {
-		return moment(ts).format("YYYY-MM-DD HH:mm:ss");
-	},
 };
diff --git a/src/plugins/messageStorage/text.js b/src/plugins/messageStorage/text.js
index fc453014..a5008ced 100644
--- a/src/plugins/messageStorage/text.js
+++ b/src/plugins/messageStorage/text.js
@@ -40,7 +40,7 @@ class TextFileMessageStorage {
 			return;
 		}
 
-		let line = `[${log.getHumanDate(msg.time)}] `;
+		let line = `[${msg.time.toISOString()}] `;
 
 		// message types from src/models/msg.js
 		switch (msg.type) {
diff --git a/test/src/helperTest.js b/test/src/helperTest.js
index 0f1cb0fd..e7cd33c1 100644
--- a/test/src/helperTest.js
+++ b/test/src/helperTest.js
@@ -2,9 +2,7 @@
 
 const expect = require("chai").expect;
 const os = require("os");
-const moment = require("moment");
 const Helper = require("../../src/helper");
-const log = require("../../src/log");
 
 describe("Helper", function() {
 	describe("#expandHome", function() {
@@ -54,8 +52,4 @@ describe("Helper", function() {
 			expect(version).to.match(/v[0-9]+\.[0-9]+\.[0-9]+/);
 		});
 	});
-
-	describe("#getHumanDate()", function() {
-		expect(log.getHumanDate(moment(1455090480000).utc())).to.equal("2016-02-10 07:48:00");
-	});
 });