diff --git a/tests/testrig.c b/tests/testrig.c
index 91320a373..8a6c8fce5 100644
--- a/tests/testrig.c
+++ b/tests/testrig.c
@@ -11,7 +11,7 @@
 
 #include <hamlib/config.h>
 
-#define SERIAL_PORT "/dev/pts/4"
+#define SERIAL_PORT "/dev/ttyUSB0"
 
 
 int main(int argc, char *argv[])