diff --git a/atom/browser/api/atom_api_window.cc b/atom/browser/api/atom_api_window.cc
index e8ebb57f7579..a8482ff44b95 100644
--- a/atom/browser/api/atom_api_window.cc
+++ b/atom/browser/api/atom_api_window.cc
@@ -316,7 +316,7 @@ void Window::CapturePage(mate::Arguments* args) {
   gfx::Rect rect;
   base::Callback<void(v8::Handle<v8::Value>)> callback;
 
-  if (!(args->Length() == 1 && args->GetNext(&callback)) ||
+  if (!(args->Length() == 1 && args->GetNext(&callback)) &&
       !(args->Length() == 2 && args->GetNext(&rect)
                             && args->GetNext(&callback))) {
     args->ThrowError();