diff --git a/src/focusstack.cc b/src/focusstack.cc
index 3337552..7701936 100644
--- a/src/focusstack.cc
+++ b/src/focusstack.cc
@@ -368,7 +368,7 @@ void FocusStack::schedule_alignment(int i)
     {
       // Align directly against the global reference, but use neighbour as a guess.
       // This can give slightly better alignment in shallow stacks with little blur.
-      aligned = std::make_shared<Task_Align>(m_aligned_grayscales.at(m_refidx),
+      aligned = std::make_shared<Task_Align>(m_grayscale_imgs.at(m_refidx),
                                               m_aligned_imgs.at(m_refidx),
                                               m_grayscale_imgs.at(i),
                                               m_input_images.at(i),
diff --git a/src/task_align.cc b/src/task_align.cc
index 3ecf643..cc868f6 100644
--- a/src/task_align.cc
+++ b/src/task_align.cc
@@ -424,4 +424,7 @@ void Task_Align::compute_valid_area()
 
   m_valid_area = a;
   limit_valid_area(cv::Rect(left, top, right - left, bottom - top));
+
+  m_logger->verbose("%s valid area X %d, Y %d, W %d, H %d\n",
+    m_filename.c_str(), m_valid_area.x, m_valid_area.y, m_valid_area.width, m_valid_area.height);
 }
\ No newline at end of file