diff --git a/Confuser.Protections/ControlFlow/SwitchMangler.cs b/Confuser.Protections/ControlFlow/SwitchMangler.cs
index ecdcc4ccf..7c0807556 100644
--- a/Confuser.Protections/ControlFlow/SwitchMangler.cs
+++ b/Confuser.Protections/ControlFlow/SwitchMangler.cs
@@ -135,7 +135,7 @@ LinkedList<Instruction[]> SpiltStatements(InstrBlock block, Trace trace, CFConte
 						if (trace.AfterStack[instr.Offset] != 0) {
 							if (instr.Operand is Instruction)
 								requiredInstr.Add((Instruction)instr.Operand);
-							else {
+							else if (instr.Operand is Instruction[]) {
 								foreach (var target in (Instruction[])instr.Operand)
 									requiredInstr.Add(target);
 								shouldSpilt = false;