diff --git a/src/tty.c b/src/tty.c
index 6f1911c1..92bcb7eb 100644
--- a/src/tty.c
+++ b/src/tty.c
@@ -70,6 +70,9 @@
 #elif defined(__CYGWIN__)
 #define PATH_SERIAL_DEVICES "/dev/"
 #define PREFIX_TTY_DEVICES "ttyS"
+#elif defined(__HAIKU__)
+#define PATH_SERIAL_DEVICES "/dev/ports/"
+#define PREFIX_TTY_DEVICES ""
 #else
 #define PATH_SERIAL_DEVICES "/dev/"
 #define PREFIX_TTY_DEVICES "tty"