diff --git a/src/lib/buses/uart.c b/src/lib/buses/uart.c
index 5525262..3eeba39 100644
--- a/src/lib/buses/uart.c
+++ b/src/lib/buses/uart.c
@@ -64,7 +64,7 @@ serial_port uart_open(const char* pcPortName)
 
   if (sp == 0) return INVALID_SERIAL_PORT;
 
-  sp->fd = open(pcPortName, O_RDWR | O_NOCTTY | O_NDELAY | O_NONBLOCK);
+  sp->fd = open(pcPortName, O_RDWR | O_NOCTTY | O_NONBLOCK);
   if(sp->fd == -1)
   {
     uart_close(sp);