diff --git a/src/Spice86/ViewModels/DisassemblyViewModel.cs b/src/Spice86/ViewModels/DisassemblyViewModel.cs
index fcf6588123..e8799d9c3b 100644
--- a/src/Spice86/ViewModels/DisassemblyViewModel.cs
+++ b/src/Spice86/ViewModels/DisassemblyViewModel.cs
@@ -444,7 +444,14 @@ private void EvaluateOperands()
         for (int i = clampedFirst; i <= clampedLast; i++)
         {
             DebuggerLineViewModel line = sortedLines[i];
-            line.EvaluatedOperands = _evaluationService.FormatOperandValues(line.InstructionInfo);
+            try
+            {
+                line.EvaluatedOperands = _evaluationService.FormatOperandValues(line.InstructionInfo);
+            }
+            catch
+            {
+                line.EvaluatedOperands = null;
+            }
         }
     }