diff --git a/Package.swift b/Package.swift
index a907361..cc76f48 100644
--- a/Package.swift
+++ b/Package.swift
@@ -329,7 +329,7 @@ let package = Package(
         .define("IMGUI_ENABLE_FREETYPE", to: "1"),
         .define("_ALLOW_COMPILER_AND_STL_VERSION_MISMATCH", .when(platforms: [.windows])),
         .define("_ALLOW_KEYWORD_MACROS", to: "1", .when(platforms: [.windows])),
-        .define("static_assert(_conditional, _message)", to: "", .when(platforms: [.windows])),
+        .define("static_assert(_conditional, ...)", to: "", .when(platforms: [.windows])),
       ],
       swiftSettings: [
         .interoperabilityMode(.Cxx)