diff --git a/include/emulator.hpp b/include/emulator.hpp
index 2477d7a4..56c29967 100644
--- a/include/emulator.hpp
+++ b/include/emulator.hpp
@@ -50,7 +50,8 @@ public:
     void run();
     void runFrame();
 
-    bool loadELF(std::filesystem::path& path);
+    bool loadROM(const std::filesystem::path& path);
+    bool loadELF(const std::filesystem::path& path);
     bool loadELF(std::ifstream& file);
     void initGraphicsContext() { gpu.initGraphicsContext(); }
 };
\ No newline at end of file
diff --git a/src/emulator.cpp b/src/emulator.cpp
index 499d6a8a..fe1b271b 100644
--- a/src/emulator.cpp
+++ b/src/emulator.cpp
@@ -48,7 +48,20 @@ void Emulator::runFrame() {
     cpu.runFrame();
 }
 
-bool Emulator::loadELF(std::filesystem::path& path) {
+bool Emulator::loadROM(const std::filesystem::path& path) {
+    auto extension = path.extension();
+    
+    if (extension == ".elf" || extension == ".axf")
+        return loadELF(path);
+    else if (extension == ".3ds")
+        Helpers::panic("3DS file");
+    else {
+        printf("Unknown file type\n");
+        return false;
+    }
+}
+
+bool Emulator::loadELF(const std::filesystem::path& path) {
     loadedROM.open(path, std::ios_base::binary); // Open ROM in binary mode
     romType = ROMType::ELF;
 
diff --git a/src/main.cpp b/src/main.cpp
index 9325e905..9e8d6cd1 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -9,10 +9,10 @@ int main (int argc, char *argv[]) {
 
     emu.initGraphicsContext();
 
-    auto elfPath = std::filesystem::current_path() / (argc > 1 ? argv[1] : "sm64.elf");
-    if (!emu.loadELF(elfPath)) {
+    auto elfPath = std::filesystem::current_path() / (argc > 1 ? argv[1] : "Metroid2.3ds");
+    if (!emu.loadROM(elfPath)) {
         // For some reason just .c_str() doesn't show the proper path
-        Helpers::panic("Failed to load ELF file: %s", elfPath.string().c_str());
+        Helpers::panic("Failed to load ROM file: %s", elfPath.string().c_str());
     }
 
     emu.run();