diff --git a/components/Decoder/OperandCode.hpp b/components/Decoder/OperandCode.hpp
index e3dc4d28..60fc25be 100644
--- a/components/Decoder/OperandCode.hpp
+++ b/components/Decoder/OperandCode.hpp
@@ -182,7 +182,7 @@ enum eOperandCode
     kocFPCR,
     kUopAddressOffset,
     kSopAddressOffset,
-    kLastOperandCode
+    kLastOperandCode = 0xDEAD
 };
 
 std::ostream&