diff --git a/src/webkit/Launcher.ts b/src/webkit/Launcher.ts
index 5ab63916c8..3b0b7516db 100644
--- a/src/webkit/Launcher.ts
+++ b/src/webkit/Launcher.ts
@@ -77,7 +77,8 @@ export class Launcher {
     else
       stdio = ['ignore', 'ignore', 'ignore', 'pipe', 'pipe'];
     webkitArguments.push('--inspector-pipe');
-    if (options.headless !== false)
+    // Headless options is only implemented on Mac at the moment.
+    if (process.platform === 'darwin' && options.headless !== false)
       webkitArguments.push('--headless');
     const webkitProcess = childProcess.spawn(
         webkitExecutable,