diff --git a/src/ccsds/packets/europa_clipper/mise/ancillary_fields.py b/src/ccsds/packets/europa_clipper/mise/ancillary_fields.py
index 48539d7..493ec1c 100644
--- a/src/ccsds/packets/europa_clipper/mise/ancillary_fields.py
+++ b/src/ccsds/packets/europa_clipper/mise/ancillary_fields.py
@@ -111,7 +111,8 @@ def analog_fields_ifc():
     ccsdspy.PacketField(name="Target_ID", bit_length=32, data_type="uint"),
     ccsdspy.PacketField(name="Observe_Macro_ID", bit_length=8, data_type="uint"),
     ccsdspy.PacketField(name="Scan_Stall", bit_length=1, data_type="uint"),
-    ccsdspy.PacketField(name="Software_Reserved", bit_length=2, data_type="uint"),
+    ccsdspy.PacketField(name="Sequence_Enb", bit_length=1, data_type="uint"),
+    ccsdspy.PacketField(name="Software_Reserved", bit_length=1, data_type="uint"),
     ccsdspy.PacketField(name="Profile_ID", bit_length=5, data_type="uint"),
     ccsdspy.PacketField(name="Profile_Time_Seconds", bit_length=32, data_type="uint"),
     ccsdspy.PacketField(