diff --git a/main.js b/main.js
index 39208d5..2f0fe99 100644
--- a/main.js
+++ b/main.js
@@ -90,7 +90,7 @@ ipcMain.on('download', (e, args) => {
   fullFile = dlDir + "/" + filename;
 
   //Special case for handling the build that is from master. This is ALWAYS downloaded as there's no way of telling when it was last updated. 
-  if(filename == "master.hex" || filename == "master.ini") 
+  if(filename.includes("master")) 
   {
     if(fs.existsSync(fullFile))
     {
diff --git a/renderer.js b/renderer.js
index 02e6be8..05aaf7b 100644
--- a/renderer.js
+++ b/renderer.js
@@ -395,18 +395,15 @@ function downloadHex(board)
     var DLurl;
     switch(board) {
       case "TEENSY35":
-        if(e.options[e.selectedIndex].value == 'master') { DLurl = "http://speeduino.com/fw/teensy35/" + e.options[e.selectedIndex].value + ".hex"; }
-        else { DLurl = "http://speeduino.com/fw/teensy35/" + e.options[e.selectedIndex].value + "-teensy35.hex"; }
+        DLurl = "http://speeduino.com/fw/teensy35/" + e.options[e.selectedIndex].value + "-teensy35.hex";
         console.log("Downloading Teensy 35 firmware: " + DLurl);
         break;
       case "TEENSY36":
-        if(e.options[e.selectedIndex].value == 'master') { DLurl = "http://speeduino.com/fw/teensy36/" + e.options[e.selectedIndex].value + ".hex"; }
-        else { DLurl = "http://speeduino.com/fw/teensy36/" + e.options[e.selectedIndex].value + "-teensy36.hex"; }
+        DLurl = "http://speeduino.com/fw/teensy36/" + e.options[e.selectedIndex].value + "-teensy36.hex";
         console.log("Downloading Teensy 36 firmware: " + DLurl);
         break;
       case "TEENSY41":
-        if(e.options[e.selectedIndex].value == 'master') { DLurl = "http://speeduino.com/fw/teensy41/" + e.options[e.selectedIndex].value + ".hex"; }
-        else { DLurl = "http://speeduino.com/fw/teensy41/" + e.options[e.selectedIndex].value + "-teensy41.hex"; }
+        DLurl = "http://speeduino.com/fw/teensy41/" + e.options[e.selectedIndex].value + "-teensy41.hex";
         console.log("Downloading Teensy 41 firmware: " + DLurl);
         break;
       case "ATMEGA2560":