diff --git a/Subsystems/cmdGui/MiniCmdUtil.py b/Subsystems/cmdGui/MiniCmdUtil.py
index 398335c..cc47bb8 100644
--- a/Subsystems/cmdGui/MiniCmdUtil.py
+++ b/Subsystems/cmdGui/MiniCmdUtil.py
@@ -45,6 +45,7 @@ def __init__(self,
                  cmdCode=None,
                  payload=None):
         endians = {"BE": ">", "LE": "<"}
+        self.dataTypes = {"byte": 8, "half": 16, "long": 32}
 
         self.host = host
         self.port = port
@@ -65,5 +66,6 @@ def assemblePriHeader(self):
     if self.hdrVer == 2:
         totalPacketLen += len(self.ccsdsExt)
 
+
 def assemblePayload(self):
     pass
\ No newline at end of file