c# - Unity CaptureScreenshot captures and editor as well

I'm trying to create some screenshots but ScreenCapture.CaptureScreenshot actually captures the entire editor and not just the Game view.

I'm using this few lines of code here:

public class ScreenShotTaker : MonoBehaviour
{
    public KeyCode takeScreenshotKey = KeyCode.S;
    public int screenshotCount = 0;

    private void Update()
    {
        if (Input.GetKeyDown(takeScreenshotKey))
        {
            ScreenCapture.CaptureScreenshot("Screenshots/"
                 + "_" + screenshotCount + "_"+ Screen.width + "X" + Screen.height + "" + ".png");
            Debug.Log("Screenshot taken.");
        }
    }
}

What could be the issue?