diff --git a/source/window.d b/source/window.d
index d4c7801..d75065a 100644
--- a/source/window.d
+++ b/source/window.d
@@ -43,7 +43,7 @@ class Window : MainWindow{
 		auto buttonSave = new Button("document-save-symbolic", GtkIconSize.MENU);
 		auto buttonSaveAs = new Button("document-save-as-symbolic", GtkIconSize.MENU);
 		auto buttonOpen = new Button("document-open-symbolic", GtkIconSize.MENU);
-		auto buttonInsert = new Button("format-text-direction-ltr-symbolic", GtkIconSize.SMALL_TOOLBAR);
+		auto buttonInsert = new Button("list-add-symbolic", GtkIconSize.SMALL_TOOLBAR);
 		auto buttonDelete = new Button("user-trash-symbolic", GtkIconSize.SMALL_TOOLBAR);
 		auto buttonRenumber = new Button("view-list-symbolic", GtkIconSize.SMALL_TOOLBAR);
 		auto buttonNewCol = new Button("tab-new-symbolic", GtkIconSize.SMALL_TOOLBAR);
@@ -187,7 +187,7 @@ class Window : MainWindow{
 
 			foreach(i ; 0..tree.getNColumns){
 				auto col = tree.getColumn(i);
-				writeln("col",i,"=",col, "(", col is null? "" : col.getTitle, ")");
+				writeln("col",i,"=",col, "(", col is null? "" : col.getTitle.replace("__", "_"), ")");
 			}
 			
 
@@ -202,7 +202,7 @@ class Window : MainWindow{
 				storeIndex~= getColumnStoreIndex(tree, 0)>=0?getColumnStoreIndex(tree, 0):0;
 
 				auto col = tree.getColumn(0);
-				if(col !is null)	titles~= tree.getColumn(0).getTitle;
+				if(col !is null)	titles~= tree.getColumn(0).getTitle.replace("__", "_");
 				else				titles~= "ERR";
 				tree.removeColumn(tree.getColumn(0));
 			}