diff --git a/COFF/Driver.cpp b/COFF/Driver.cpp
index e07bdac46..6fde6313f 100644
--- a/COFF/Driver.cpp
+++ b/COFF/Driver.cpp
@@ -241,6 +241,7 @@ void LinkerDriver::parseDirectives(StringRef S) {
     case OPT_editandcontinue:
     case OPT_fastfail:
     case OPT_guardsym:
+    case OPT_natvis:
     case OPT_throwingnew:
       break;
     default:
diff --git a/COFF/Options.td b/COFF/Options.td
index 0a6472cb5..eb68f840c 100644
--- a/COFF/Options.td
+++ b/COFF/Options.td
@@ -135,6 +135,7 @@ def errorreport : QF<"errorreport">;
 def idlout : QF<"idlout">;
 def ignore : QF<"ignore">;
 def maxilksize : QF<"maxilksize">;
+def natvis : QF<"natvis">;
 def pdbaltpath : QF<"pdbaltpath">;
 def tlbid : QF<"tlbid">;
 def tlbout : QF<"tlbout">;