diff --git a/src/obiview.c b/src/obiview.c
index 8e76047..acc7312 100644
--- a/src/obiview.c
+++ b/src/obiview.c
@@ -2281,18 +2281,30 @@ int obi_view_add_column(Obiview_p    view,
 			obidebug(1, "\nError opening a column to add to a view");
 			return -1;
 		}
-		// Check that, if it's not the first column in the view, the column's line count is at least the view's line count if there's a line selection
-		// Otherwise it should be the same line count
-		// TODO rediscuss. 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 (((view->infos)->column_count > 0)
-				&& (((view->line_selection != NULL) && ((column->header)->lines_used < (view->infos)->line_count))
-						|| ((view->line_selection == NULL) && ((column->header)->lines_used != (view->infos)->line_count))))
-		{
+		 // - If there is a line selection:
+		 // 		- The column's lines_used attribute must be at least the view's line count
+		 // - If there is no line selection:
+		 //    	- If it's the first column in the view:
+		 //		 	- The view's line count is set to the column's lines_used attribute
+		 //  	- If it's not the first column in the view:
+		 //  		- The column's lines_used attribute must be equal to the view's line count
+		if ((view->line_selection != NULL) && ((column->header)->lines_used < (view->infos)->line_count))
+		{ // - If there is a line selection, the column's lines_used attribute must be at least the view's 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);
+			obidebug(1, "\nError adding an existing column to a view: the column's lines_used attribute (%lld) must be equal to or greater than the view's line count (%lld)", (column->header)->lines_used, (view->infos)->line_count);
 			return -1;
 		}
+		else if (view->line_selection == NULL)
+		{ // If there is no line selection:
+			if ((view->infos)->column_count == 0)	// If it's the first column in the view:
+				(view->infos)->line_count = (column->header)->lines_used;   // The view's line count is set to the column's lines_used attribute
+			else if ((column->header)->lines_used != (view->infos)->line_count)
+			{ // If it's not the first column in the view, the column's lines_used attribute must be equal to the view's line count
+				obi_set_errno(OBIVIEW_ERROR);
+				obidebug(1, "\nError adding an existing column to a view: the column's lines_used attribute (%lld) must be equal to the view's line count (%lld)", (column->header)->lines_used, (view->infos)->line_count);
+				return -1;
+			}
+		}
 	}
 
 	// Store column pointer in the view structure
@@ -2311,10 +2323,6 @@ int obi_view_add_column(Obiview_p    view,
 	// Save column alias
 	strcpy((((view->infos)->column_references)[(view->infos)->column_count]).alias, alias);
 
-	// If it's the first column of the view, set the view's line count to the column's line count, except if there's a line selection associated
-	if (((view->infos)->column_count == 0) && (view->line_selection == NULL))
-		(view->infos)->line_count = (column->header)->lines_used;
-
 	// Update column count in view
 	(view->infos)->column_count++;
 
diff --git a/src/obiview.h b/src/obiview.h
index c9b43b3..641178c 100644
--- a/src/obiview.h
+++ b/src/obiview.h
@@ -340,6 +340,14 @@ Obiview_p obi_open_view(OBIDMS_p dms, const char* view_name);
 /**
  * @brief Adds a column to a view.
  *
+ * - If there is a line selection:
+ * 		- The column's lines_used attribute must be at least the view's line count
+ * - If there is no line selection:
+ *    	- If it's the first column in the view:
+ *		 	-  The view's line count is set to the column's lines_used attribute
+ *  	- If it's not the first column in the view:
+ *  		- The column's lines_used attribute must be equal to the view's line count
+ *
  * @warning The view must be writable.
  *
  * @param view A pointer on the view.