diff --git a/USBNova.ino b/USBNova.ino
index 11f94a5..4689c3c 100644
--- a/USBNova.ino
+++ b/USBNova.ino
@@ -69,6 +69,11 @@ void setup() {
     if (!msc::exists(PREFERENCES_PATH)) {
         preferences::save();
     }
+    
+    // Create main_script.txt if it doesn't exist yet
+    if (!msc::exists(preferences::getMainScript().c_str())) {
+        msc::write(preferences::getMainScript().c_str(), "# Hello World\n", 14);
+    }
 
     // Setup background tasks
     tasks::setCallback(update);
diff --git a/src/preferences/preferences.cpp b/src/preferences/preferences.cpp
index e91f840..5192097 100644
--- a/src/preferences/preferences.cpp
+++ b/src/preferences/preferences.cpp
@@ -36,7 +36,7 @@ namespace preferences {
     std::string default_layout { "US" };
     int default_delay { 5 };
 
-    std::string main_script { "main.script" };
+    std::string main_script { "main_script.txt" };
 
     int attack_color[4] { 128, 0, 0, 0 };
     int setup_color[4] { 0, 0, 20, 0 };
@@ -215,7 +215,7 @@ namespace preferences {
         default_layout = "US";
         default_delay = 5;
 
-        main_script = "main.script";
+        main_script = "main_script.txt";
 
         attack_color[0] = 128;
         attack_color[1] = 0;