diff --git a/lib/Target/ARM/ARMMCInstLower.cpp b/lib/Target/ARM/ARMMCInstLower.cpp
index 48141b14e13..023f5f8e37a 100644
--- a/lib/Target/ARM/ARMMCInstLower.cpp
+++ b/lib/Target/ARM/ARMMCInstLower.cpp
@@ -34,7 +34,7 @@ MCOperand ARMAsmPrinter::GetSymbolRef(const MachineOperand &MO,
                                    OutContext);
     switch (Option) {
     default: llvm_unreachable("Unknown target flag on symbol operand");
-    case 0:
+    case ARMII::MO_NO_FLAG:
       break;
     case ARMII::MO_LO16:
       Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_None,