diff --git a/Processor.cs b/Processor.cs
index 8239d37..87a4d07 100644
--- a/Processor.cs
+++ b/Processor.cs
@@ -247,10 +247,10 @@ public bool Execute(bool runUntilHalt, Stream? stdoutOverride = null, Stream? st
                 ulong byteCount;
                 int shiftAmount;
                 string filepath;
+                long signedInitial;
 #if EXTENSION_SET_SIGNED
                 ulong initialSign;
                 ulong resultSign;
-                long signedInitial;
                 long signedMathend;
                 ulong signedShiftAllBits;
 #endif