diff --git a/arch/sparc64/openbios.c b/arch/sparc64/openbios.c
index 03993b5..3eead87 100644
--- a/arch/sparc64/openbios.c
+++ b/arch/sparc64/openbios.c
@@ -386,7 +386,7 @@ void arch_nvram_get(char *data)
     fword("property");
 
     if (fw_cfg_read_i16(FW_CFG_NOGRAPHIC)) {
-        stdin_path = stdout_path = "/pci/pci/pci/ebus/su";
+        stdin_path = stdout_path = "ttya";
     } else {
         stdin_path = "/pci/pci/pci/ebus/kb_ps2";
         stdout_path = "/pci/pci/pci/QEMU,VGA";
diff --git a/drivers/pc_serial.c b/drivers/pc_serial.c
index 3c1ddbb..cb82855 100644
--- a/drivers/pc_serial.c
+++ b/drivers/pc_serial.c
@@ -171,6 +171,7 @@ void
 ob_pc_serial_init(const char *path, const char *dev_name, uint64_t base,
                   uint64_t offset, int intr)
 {
+    phandle_t aliases;
     char nodebuff[128];
 
     snprintf(nodebuff, sizeof(nodebuff), "%s/%s", path, dev_name);
@@ -192,4 +193,7 @@ ob_pc_serial_init(const char *path, const char *dev_name, uint64_t base,
     fword("encode+");
     push_str("reg");
     fword("property");
+
+    aliases = find_dev("/aliases");
+    set_property(aliases, "ttya", nodebuff, strlen(nodebuff) + 1);
 }