diff --git a/src/View/BoundaryConditionsAdisTS/Table.py b/src/View/BoundaryConditionsAdisTS/Table.py
index adde9683..34633e0b 100644
--- a/src/View/BoundaryConditionsAdisTS/Table.py
+++ b/src/View/BoundaryConditionsAdisTS/Table.py
@@ -215,9 +215,14 @@ class TableModel(PamhyrTableModel):
     def delete(self, rows, parent=QModelIndex()):
         self.beginRemoveRows(parent, rows[0], rows[-1])
 
-        global_rows = list(
-            map(self._global_row, rows)
-        )
+        row_by_bc = {
+            id(bc): row for row, bc in enumerate(self._bc_list._lst)
+        }
+        global_rows = [
+            row_by_bc[id(self._lst[row])]
+            for row in rows
+            if 0 <= row < len(self._lst)
+        ]
         self._undo.push(
             DelCommand(
                 self._bc_list, global_rows