diff --git a/Package.swift b/Package.swift
index e2281732..45725c95 100644
--- a/Package.swift
+++ b/Package.swift
@@ -262,6 +262,7 @@ let package = Package(
         "json/nlohmann_json.natvis",
         "json/wsjcpp.yml",
       ],
+      sources: ["EmptySwiftPackageManagerFile.cpp"],
       publicHeadersPath: "json/include"
     ),
     .target(