diff --git a/Sources/SKTestSupport/SkipUnless.swift b/Sources/SKTestSupport/SkipUnless.swift
index 99677fa1d..ae2fcfaee 100644
--- a/Sources/SKTestSupport/SkipUnless.swift
+++ b/Sources/SKTestSupport/SkipUnless.swift
@@ -140,6 +140,11 @@ package actor SkipUnless {
     file: StaticString = #filePath,
     line: UInt = #line
   ) async throws {
+    try XCTSkipUnless(
+      Platform.current != .windows,
+      "Temporarily skipping as we need to fix these tests to use the cmake-built swift-syntax libraries on Windows."
+    )
+
     return try await shared.skipUnlessSupported(file: file, line: line) {
       do {
         let project = try await SwiftPMTestProject(
diff --git a/Sources/SKTestSupport/SwiftPMTestProject.swift b/Sources/SKTestSupport/SwiftPMTestProject.swift
index cdb188666..7e1dfe961 100644
--- a/Sources/SKTestSupport/SwiftPMTestProject.swift
+++ b/Sources/SKTestSupport/SwiftPMTestProject.swift
@@ -169,8 +169,8 @@ package class SwiftPMTestProject: MultiFileTestProject {
             .macro(
               name: "MyMacros",
               swiftSettings: [.unsafeFlags([
-                "-I", "\(moduleSearchPath)",
-                "-Xcc", "-fmodule-map-file=\(try swiftSyntaxCShimsModulemap.filePath)"
+                "-I", #"\(moduleSearchPath)"#,
+                "-Xcc", #"-fmodule-map-file=\(try swiftSyntaxCShimsModulemap.filePath)"#
               ])],
               linkerSettings: [
                 .unsafeFlags([