diff --git a/host/greatfet/interfaces/i2c_bus.py b/host/greatfet/interfaces/i2c_bus.py
index 04502fde..27aead13 100644
--- a/host/greatfet/interfaces/i2c_bus.py
+++ b/host/greatfet/interfaces/i2c_bus.py
@@ -122,7 +122,7 @@ def scan(self):
             in response for valid/invalid addresses.
         """
 
-        responses = self.api.i2c.scan()
+        responses = self.api.scan()
         write_responses = responses[:16]
         read_responses = responses[16:]
         responses = []