diff --git a/src/canvas.cpp b/src/canvas.cpp
index 05749f4..2f69360 100644
--- a/src/canvas.cpp
+++ b/src/canvas.cpp
@@ -2793,9 +2793,11 @@ Action* ActionStroke::get_redo()
 
         layer->m_rtt[i].bindFramebuffer();
 
+        auto box = clear_layer ? glm::ivec4(layer->m_dirty_box[i]) : m_box[i];
+
         // save image before commit
-        glm::vec2 box_or = xy(m_box[i]);
-        glm::vec2 box_sz = zw(m_box[i]) - xy(m_box[i]);
+        glm::vec2 box_or = xy(box);
+        glm::vec2 box_sz = zw(box) - xy(box);
         if (box_sz.x > 0 && box_sz.y > 0 && box_sz.x <= layer->w && box_sz.y <= layer->h)
         {
             action->m_image[i] = std::make_unique<uint8_t[]>(box_sz.x * box_sz.y * 4);
@@ -2806,7 +2808,7 @@ Action* ActionStroke::get_redo()
             LOG("create_action invalid box size (%d, %d)", (int)box_sz.x, (int)box_sz.y);
         }
 
-        action->m_box[i] = m_box[i];
+        action->m_box[i] = box;
         action->m_old_box[i] = layer->m_dirty_box[i];
         action->m_old_dirty[i] = layer->m_dirty_face[i];