diff --git a/src/rs232.c b/src/rs232.c
index 7a9b4c4..7846fe7 100644
--- a/src/rs232.c
+++ b/src/rs232.c
@@ -147,7 +147,7 @@ uint32_t rs232_get_speed(const serial_port sp)
     case B230400: uiPortSpeed = 230400;
     break;
 #ifdef B460800
-    case 460800: uiPortSpeed = B460800;
+    case B460800: uiPortSpeed = 460800;
     break;
 #endif
   }