diff --git a/src/ui48_config.c b/src/ui48_config.c
index e7c99d2..ae26b5e 100644
--- a/src/ui48_config.c
+++ b/src/ui48_config.c
@@ -31,8 +31,8 @@ static config_t config = {
     .tiny = false,
     .small = false,
 
-    .wire_name = ( char* )"/dev/wire",
-    .ir_name = ( char* )"/dev/ir",
+    /* .wire_name = ( char* )"/dev/wire", */
+    /* .ir_name = ( char* )"/dev/ir", */
 
     /* from args.h */
     .reset = false,
diff --git a/src/ui48_emulator.c b/src/ui48_emulator.c
index 72611ff..e9ea20a 100644
--- a/src/ui48_emulator.c
+++ b/src/ui48_emulator.c
@@ -8,6 +8,7 @@
 #include "config.h"
 #include "keyb.h"
 #include "modules.h"
+#include "serial.h"
 
 config_t config;
 
@@ -146,6 +147,8 @@ void init_emulator( config_t* conf )
     config = *conf;
 
     EmulatorInit();
+
+    conf->wire_name = ( char* )SerialInit();
 }
 
 void exit_emulator( void ) { EmulatorExit( SAVE_AND_EXIT ); }