diff --git a/rally2.py b/rally2.py
index 4291772..63c6336 100644
--- a/rally2.py
+++ b/rally2.py
@@ -124,15 +124,15 @@ def drive_until_stopped(noah):
     noah.go_diff(POWER, POWER+RIGHT_WHEEL_OFFSET, 1, 1)
     start = time.time()
     while True:
-        forward_dist = noah.read_front_sensor()
+        forward_dist = noah.read_front_ping_sensor()
         if forward_dist < 1000:
             noah.stop()
             break
-        left_dist = noah.read_left_sensor()
+        left_dist = noah.read_left_ping_sensor()
         if left_dist < 400:
             noah.stop()
             break
-        right_dist = noah.read_right_sensor()
+        right_dist = noah.read_right_ping_sensor()
         if right_dist < 400:
             noah.stop()
             break
@@ -167,7 +167,7 @@ def drunk_drive(noah):
 def inch_closer(noah):
     noah.go_diff(POWER, POWER+RIGHT_WHEEL_OFFSET, 1, 1)
     while True:
-        forward_dist = noah.read_front_sensor()
+        forward_dist = noah.read_front_ping_sensor()
         if forward_dist < 300:
             noah.stop()
             break