diff --git a/testport.conf b/testport.conf
index 04ddccc..fe7eb77 100644
--- a/testport.conf
+++ b/testport.conf
@@ -1,7 +1,8 @@
 # configfile for shavs tests
 
 [PORT]
-port = /dev/ttyUSB0
+port = /tmp/simavr-uart0
+#port= /dev/ttyUSB0
 baud = 115200
 databits = 8
 stopbits = 1