diff --git a/terminal.c b/terminal.c
index 537df250..45392ec3 100644
--- a/terminal.c
+++ b/terminal.c
@@ -1735,6 +1735,12 @@ term_scroll_partial(struct terminal *term, struct scroll_region region, int rows
     }
 #endif
 
+    const int begin_scrolled_in = max(region.end - rows, region.start);
+    const int end_scrolled_in = region.end;
+
+    if (selection_on_rows_in_view(term, begin_scrolled_in, end_scrolled_in - 1))
+        selection_cancel(term);
+
     bool view_follows = term->grid->view == term->grid->offset;
     term->grid->offset += rows;
     term->grid->offset &= term->grid->num_rows - 1;
@@ -1750,15 +1756,10 @@ term_scroll_partial(struct terminal *term, struct scroll_region region, int rows
     for (int i = term->rows - 1; i >= region.end; i--)
         grid_swap_row(term->grid, i - rows, i, false);
 
-    const int begin_scrolled_in = max(region.end - rows, region.start);
-
     /* Erase scrolled in lines */
-    for (int r = begin_scrolled_in; r < region.end; r++)
+    for (int r = begin_scrolled_in; r < end_scrolled_in; r++)
         erase_line(term, grid_row_and_alloc(term->grid, r));
 
-    if (selection_on_rows_in_view(term, begin_scrolled_in, region.end - 1))
-        selection_cancel(term);
-
     sixel_delete_in_range(term, max(region.end - rows, region.start), region.end - 1);
     term_damage_scroll(term, DAMAGE_SCROLL, region, rows);
     term->grid->cur_row = grid_row(term->grid, term->grid->cursor.point.row);
@@ -1784,6 +1785,13 @@ term_scroll_reverse_partial(struct terminal *term,
     }
 #endif
 
+    /* Row numbers of "new" lines scrolled in */
+    const int start_scrolled_in = region.start;
+    const int end_scrolled_in = min(region.start + rows, region.end);
+
+    if (selection_on_rows_in_view(term, start_scrolled_in, end_scrolled_in - 1))
+        selection_cancel(term);
+
     bool view_follows = term->grid->view == term->grid->offset;
     term->grid->offset -= rows;
     while (term->grid->offset < 0)
@@ -1804,15 +1812,10 @@ term_scroll_reverse_partial(struct terminal *term,
     for (int i = 0 + rows; i < region.start + rows; i++)
         grid_swap_row(term->grid, i, i - rows, false);
 
-    const int end_scrolled_in = min(region.start + rows, region.end);
-
     /* Erase scrolled in lines */
-    for (int r = region.start; r < end_scrolled_in; r++)
+    for (int r = start_scrolled_in; r < end_scrolled_in; r++)
         erase_line(term, grid_row_and_alloc(term->grid, r));
 
-    if (selection_on_rows_in_view(term, region.start, end_scrolled_in - 1))
-        selection_cancel(term);
-
     sixel_delete_in_range(term, region.start, min(region.start + rows, region.end) - 1);
     term_damage_scroll(term, DAMAGE_SCROLL_REVERSE, region, rows);
     term->grid->cur_row = grid_row(term->grid, term->grid->cursor.point.row);