DDRBoxman
diff --git a/‎Cargo.lock
+7 b/‎Cargo.lock
+7
diff --git a/‎Cargo.toml
+1 b/‎Cargo.toml
+1
diff --git a/‎src/buttons.rs
+1-1 b/‎src/buttons.rs
+1-1
@@ -17,3 +17,4 @@ hex = "0.4.3"
 modular-bitfield = "0.11.2"
 nom = "7.1.3"
 serde = { version = "1.0.204", features = ["derive"] }
+simple-error = "0.3.1"
@@ -143,7 +143,7 @@ fn parse_legacy_notation(thumb: String, finger: String) -> ButtonState {
                 3 => button_state.f4l = true,
                 _ => (),
             },
-            'O' => match i {
+            'M' => match i {
                 0 => button_state.f1m = true,
                 1 => button_state.f2m = true,
                 2 => button_state.f3m = true,