diff --git a/src/main.rs b/src/main.rs
index 4da9216..ba06bd4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -232,7 +232,9 @@ async fn main() -> std::io::Result<()> {
         } else if let Some(gb_rams) = &args.gb_ram {
             for i in 0..4 {
                 if let Some(gb_ram) = gb_rams.get(i) {
-                    std::fs::write(gb_ram, &device.transferpaks[i].cart.ram).unwrap();
+                    tokio::fs::write(gb_ram, &device.transferpaks[i].cart.ram)
+                        .await
+                        .unwrap();
                 }
             }
         }