diff --git a/scripts/build-desktop-artifact.test.ts b/scripts/build-desktop-artifact.test.ts
index 8a0dbc4faa8b7..eba3f8fa0cae6 100644
--- a/scripts/build-desktop-artifact.test.ts
+++ b/scripts/build-desktop-artifact.test.ts
@@ -1218,6 +1218,7 @@ it.layer(NodeServices.layer)("build-desktop-artifact", (it) => {
         const fs = yield* FileSystem.FileSystem;
         const path = yield* Path.Path;
         const repoRoot = yield* fs.makeTempDirectoryScoped({ prefix: "t3-kde-stage-test-" });
+        const hostPlatform = yield* HostProcess.Platform;
         const protocols = path.join(repoRoot, "native/hyprland-snap-shot/protocols");
         yield* fs.makeDirectory(protocols, { recursive: true });
         yield* fs.writeFileString(path.join(protocols, "capture.xml"), "BSD protocol notice");
@@ -1267,7 +1268,10 @@ it.layer(NodeServices.layer)("build-desktop-artifact", (it) => {
               `${backend}-capture/t3-${backend}-snap-shot`,
             );
             assert.equal(yield* fs.readFileString(installed), `helper-${arch}`);
-            assert.equal((yield* fs.stat(installed)).mode & 0o777, 0o755);
+            // Windows does not expose POSIX executable permission bits.
+            if (hostPlatform !== "win32") {
+              assert.equal((yield* fs.stat(installed)).mode & 0o777, 0o755);
+            }
             if (backend === "hyprland")
               assert.equal(
                 yield* fs.readFileString(