--- uae/src/serial.c	2018/04/24 16:39:50	1.1.1.3
+++ uae/src/serial.c	2018/04/24 17:01:45	1.1.1.6
@@ -16,7 +16,6 @@
 #include "uae.h"
 #include "memory.h"
 #include "custom.h"
-#include "readcpu.h"
 #include "newcpu.h"
 #include "cia.h"
 
@@ -360,8 +359,8 @@ void serial_open(void)
     if (serdev == 1)
 	return;
 
-    if ((sd = open (sername, O_RDWR|O_NONBLOCK|O_BINARY, 0)) < 0) {
-	fprintf (stdout, "Error: Could not open Device %s\n", sername);
+    if ((sd = open (currprefs.sername, O_RDWR|O_NONBLOCK|O_BINARY, 0)) < 0) {
+	fprintf (stdout, "Error: Could not open Device %s\n", currprefs.sername);
 	return;
     }
 
@@ -389,8 +388,8 @@ void serial_open(void)
 
 void serial_close (void)
 {
-    if (sd != 0)
-	close(sd);
+    if (sd >= 0)
+	close (sd);
     serdev = 0;
 }