diff --git a/src/rov/rov_tsys01/rov_tsys01/tsys01.py b/src/rov/rov_tsys01/rov_tsys01/tsys01.py
index 64cdae5..8bb6853 100644
--- a/src/rov/rov_tsys01/rov_tsys01/tsys01.py
+++ b/src/rov/rov_tsys01/rov_tsys01/tsys01.py
@@ -20,7 +20,7 @@ class TSYS01(object):
     _TSYS01_CONVERT     = 0x48
     _TSYS01_READ        = 0x00
     
-    def __init__(self, bus=1):
+    def __init__(self, bus=7):
         # Degrees C
         self._temperature = 0
         self._k = []