diff --git a/src/Smaract_mcs2.py b/src/Smaract_mcs2.py
index db4a8784c173e86929014d724eb05917b244716d..1231ce955ba816a8124fa4d84f47104cc9c22786 100755
--- a/src/Smaract_mcs2.py
+++ b/src/Smaract_mcs2.py
@@ -73,7 +73,13 @@ CONTROLLER_FLAGS = [
     "REFERENCE_MARK",           # 0x00008000
     "IS_PHASED",                # 0x00010000
     "POSITIONER_FAULT",         # 0x00020000
-    "AMPLIFIER_ENABLED"         # 0x00040000
+    "AMPLIFIER_ENABLED",        # 0x00040000
+    "UNDOCUMENTED",             # 0x00080000
+    "UNDOCUMENTED",             # 0x00100000
+    "UNDOCUMENTED",             # 0x00200000
+    "UNDOCUMENTED",             # 0x00400000
+    "UNDOCUMENTED",             # 0x00800000
+    "UNDOCUMENTED"              # 0x01000000
 ]
 END_OF_LINE = '\015\012'