diff --git a/examples/can_bit_transition.py b/examples/can_bit_transition.py
index 9523a87bfa..61d08e61e7 100755
--- a/examples/can_bit_transition.py
+++ b/examples/can_bit_transition.py
@@ -7,8 +7,8 @@ class Message():
 
   def __init__(self, message_id):
     self.message_id = message_id
-    self.ones = [0] * 8   # bit set if 1 is always seen
-    self.zeros = [0] * 8  # bit set if 0 is always seen
+    self.ones = [0] * 64   # bit set if 1 is always seen
+    self.zeros = [0] * 64  # bit set if 0 is always seen
 
   def printBitDiff(self, other):
     """Prints bits that transition from always zero to always 1 and vice versa."""
diff --git a/examples/can_unique.py b/examples/can_unique.py
index 80cc8763dc..bc582f016f 100755
--- a/examples/can_unique.py
+++ b/examples/can_unique.py
@@ -28,8 +28,8 @@ class Message():
   def __init__(self, message_id):
     self.message_id = message_id
     self.data = {}  # keyed by hex string encoded message data
-    self.ones = [0] * 8   # bit set if 1 is seen
-    self.zeros = [0] * 8  # bit set if 0 has been seen
+    self.ones = [0] * 64   # bit set if 1 is seen
+    self.zeros = [0] * 64  # bit set if 0 has been seen
 
   def printBitDiff(self, other):
     """Prints bits that are set or cleared compared to other background."""