diff --git a/src/obiview.c b/src/obiview.c
index e3dfda3..c9a64ea 100644
--- a/src/obiview.c
+++ b/src/obiview.c
@@ -990,7 +990,7 @@ char* view_check_quality_matches_seq_column(Obiview_p view)	// TODO Print error
 
 	seq_column = obi_view_get_column(view, ((qual_column->header)->associated_column).column_name);
 	//seq_column = obi_open_column(view->dms, ((qual_column->header)->associated_column).column_name, ((qual_column->header)->associated_column).version);
-	// TODO discuss the fact that it's opened outside of the context of the view or not
+	// TODO discuss the fact that it's opened outside of the context of the view or not -> problem if alias. Open from full refs maybe
 	// TODO if outside of view, make function that opens a column from a column reference structure?
 
 	if (seq_column == NULL)
@@ -1688,7 +1688,7 @@ int obi_view_add_column(Obiview_p view,
 		return -1;
 	}
 
-	// If there is a line selection and a new column is created, clone the columns to delete the line selection
+	// If there is a line selection , clone the columns to delete the line selection
 	if (create && (view->line_selection != NULL))
 	{
 		for (i=0; i<((view->infos)->column_count); i++)
@@ -1705,7 +1705,6 @@ int obi_view_add_column(Obiview_p view,
 					obidebug(1, "\nError cloning a column to replace in a view");
 					return -1;
 				}
-
 				// Close old cloned column
 				obi_close_column(column_buffer);
 			}
@@ -1750,9 +1749,15 @@ int obi_view_add_column(Obiview_p view,
 			obidebug(1, "\nError opening a column to add to a view");
 			return -1;
 		}
-		// Check that the column's line count is equal to the view's line count if there is no line selection.
-		// TODO But what if there is a line selection ??? imo should just check that col_line_count > line_selection_count
-		//if ()
+		// Check that the column's line count is at least the view's line count if there's a line selection
+		// TODO rediscuss. This can't be more stringent because when cloning a view, if there's a line selection associated,
+		// when re-adding the columns to the cloned view, it is normal that the columns have a line count greater than the view's.
+		if ((column->header)->line_count < (view->infos)->line_count)
+		{
+			obi_set_errno(OBIVIEW_ERROR);
+			obidebug(1, "\nError adding an existing column to a view: the column's line count (%lld) must be at least the view's (%lld) (when there is a line selection)", (column->header)->line_count, (view->infos)->line_count);
+			return -1;
+		}
 	}
 
 	// Store column pointer in the view structure