diff --git a/lld/lib/ReaderWriter/PECOFF/WriterImportLibrary.cpp b/lld/lib/ReaderWriter/PECOFF/WriterImportLibrary.cpp
index adb6e0afe75d..603f154bc992 100644
--- a/lld/lib/ReaderWriter/PECOFF/WriterImportLibrary.cpp
+++ b/lld/lib/ReaderWriter/PECOFF/WriterImportLibrary.cpp
@@ -80,7 +80,7 @@ void writeImportLibrary(const PECOFFLinkingContext &ctx) {
   std::vector<const char *> args;
   args.push_back(programPath.c_str());
   args.push_back("/nologo");
-  args.push_back("/machine:x86");
+  args.push_back(ctx.is64Bit() ? "/machine:x64" : "/machine:x86");
   args.push_back(defArg.c_str());
   args.push_back(outputArg.c_str());
   args.push_back(nullptr);