diff --git a/bip39-standalone.html b/bip39-standalone.html
index bcf020c..dd397ac 100644
--- a/bip39-standalone.html
+++ b/bip39-standalone.html
@@ -19912,6 +19912,16 @@ bitcoin.networks.dash = {
   wif: 0xcc,
 };
 
+bitcoin.networks.dashtn = {
+  bip32: {
+    public: 0x043587cf,
+    private: 0x04358394
+  },
+  pubKeyHash: 0x8c,
+  scriptHash: 0x13,
+  wif: 0xef,
+};
+
 bitcoin.networks.game = {
   bip32: {
     public: 0x0488b21e,
@@ -44837,6 +44847,13 @@ window.Entropy = new (function() {
                 DOM.bip44coin.val(5);
             },
         },
+        {
+            name: "DASH Testnet",
+            onSelect: function() {
+                network = bitcoin.networks.dashtn;
+                DOM.bip44coin.val(1);
+            },
+        },
         {
             name: "Ethereum",
             onSelect: function() {
diff --git a/src/js/bitcoinjs-extensions.js b/src/js/bitcoinjs-extensions.js
index dd5069c..7747d25 100644
--- a/src/js/bitcoinjs-extensions.js
+++ b/src/js/bitcoinjs-extensions.js
@@ -45,6 +45,16 @@ bitcoin.networks.dash = {
   wif: 0xcc,
 };
 
+bitcoin.networks.dashtn = {
+  bip32: {
+    public: 0x043587cf,
+    private: 0x04358394
+  },
+  pubKeyHash: 0x8c,
+  scriptHash: 0x13,
+  wif: 0xef,
+};
+
 bitcoin.networks.game = {
   bip32: {
     public: 0x0488b21e,
diff --git a/src/js/index.js b/src/js/index.js
index bb20938..3b86e42 100644
--- a/src/js/index.js
+++ b/src/js/index.js
@@ -1113,6 +1113,13 @@
                 DOM.bip44coin.val(5);
             },
         },
+        {
+            name: "DASH Testnet",
+            onSelect: function() {
+                network = bitcoin.networks.dashtn;
+                DOM.bip44coin.val(1);
+            },
+        },
         {
             name: "Ethereum",
             onSelect: function() {
diff --git a/tests.js b/tests.js
index ecd9f9a..f346729 100644
--- a/tests.js
+++ b/tests.js
@@ -601,6 +601,35 @@ page.open(url, function(status) {
 });
 },
 
+function() {
+page.open(url, function(status) {
+    // set the phrase and coin
+    var expected = "yaR52EN4oojdJfBgzWJTymC4uuCLPT29Gw";
+    page.evaluate(function() {
+        $(".phrase").val("abandon abandon ability");
+        $(".phrase").trigger("input");
+        $(".network option[selected]").removeAttr("selected");
+        $(".network option").filter(function() {
+            return $(this).html() == "DASH Testnet";
+        }).prop("selected", true);
+        $(".network").trigger("change");
+    });
+    // check the address is generated correctly
+    waitForGenerate(function() {
+        var actual = page.evaluate(function() {
+            return $(".address:first").text();
+        });
+        if (actual != expected) {
+            console.log("DASH Testnet address is incorrect");
+            console.log("Expected: " + expected);
+            console.log("Actual: " + actual);
+            fail();
+        }
+        next();
+    });
+});
+},
+
 // Network can be set to game
 function() {
 page.open(url, function(status) {