diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 1a1c1a64a49..d74a0604a46 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -2366,7 +2366,7 @@ static unsigned getDRegFromQReg(unsigned QReg) {
   case ARM::Q6:  return ARM::D12;
   case ARM::Q7:  return ARM::D14;
   case ARM::Q8:  return ARM::D16;
-  case ARM::Q9:  return ARM::D19;
+  case ARM::Q9:  return ARM::D18;
   case ARM::Q10: return ARM::D20;
   case ARM::Q11: return ARM::D22;
   case ARM::Q12: return ARM::D24;