diff --git a/src/dialogs/dialogincrements.cpp b/src/dialogs/dialogincrements.cpp
index 85416e2bb..f33dda500 100644
--- a/src/dialogs/dialogincrements.cpp
+++ b/src/dialogs/dialogincrements.cpp
@@ -55,13 +55,11 @@ DialogIncrements::DialogIncrements(VContainer *data, VDomDocument *doc, QWidget
 
     connect(ui->tableWidgetIncrement, &QTableWidget::cellChanged, this, &DialogIncrements::cellChanged);
     connect(ui->toolButtonAdd, &QPushButton::clicked, this, &DialogIncrements::clickedToolButtonAdd);
-    connect(ui->toolButtonRemove, &QPushButton::clicked, this,
-            &DialogIncrements::clickedToolButtonRemove);
+    connect(ui->toolButtonRemove, &QPushButton::clicked, this, &DialogIncrements::clickedToolButtonRemove);
 
     connect(this, &DialogIncrements::FullUpdateTree, this->doc, &VDomDocument::FullUpdateTree);
     connect(this, &DialogIncrements::haveLiteChange, this->doc, &VDomDocument::haveLiteChange);
-    connect(this->doc, &VDomDocument::FullUpdateFromFile, this,
-            &DialogIncrements::FullUpdateFromFile);
+    connect(this->doc, &VDomDocument::FullUpdateFromFile, this, &DialogIncrements::FullUpdateFromFile);
 
     ui->tabWidget->setCurrentIndex(0);
 }
@@ -438,6 +436,7 @@ void DialogIncrements::cellChanged ( qint32 row, qint32 column )
                 data->ClearIncrementTable();
                 this->column = 2;
                 emit FullUpdateTree();
+                emit haveLiteChange();
             }
             break;
         case 2:
@@ -454,6 +453,7 @@ void DialogIncrements::cellChanged ( qint32 row, qint32 column )
                     domElement.setAttribute("base", value);
                     this->column = 3;
                     emit FullUpdateTree();
+                    emit haveLiteChange();
                 }
                 else
                 {
@@ -471,6 +471,7 @@ void DialogIncrements::cellChanged ( qint32 row, qint32 column )
                 domElement.setAttribute("ksize", item->text().replace(",", ".").toDouble());
                 this->column = 4;
                 emit FullUpdateTree();
+                emit haveLiteChange();
             }
             break;
         case 4:
@@ -483,6 +484,7 @@ void DialogIncrements::cellChanged ( qint32 row, qint32 column )
                 domElement.setAttribute("kgrowth", item->text().replace(",", ".").toDouble());
                 this->column = 5;
                 emit FullUpdateTree();
+                emit haveLiteChange();
             }
             break;
         case 5:
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index db7d69494..cdf55894d 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -1092,8 +1092,8 @@ void MainWindow::ActionTable(bool checked)
     if (checked)
     {
         dialogTable = new DialogIncrements(pattern, doc, this);
-        connect(dialogTable, &DialogIncrements::DialogClosed, this,
-                &MainWindow::ClosedActionTable);
+        Q_CHECK_PTR(dialogTable);
+        connect(dialogTable, &DialogIncrements::DialogClosed, this, &MainWindow::ClosedActionTable);
         dialogTable->show();
     }
     else
@@ -1107,6 +1107,7 @@ void MainWindow::ClosedActionTable()
 {
     ui->actionTable->setChecked(false);
     delete dialogTable;
+    dialogTable = 0;
 }
 
 void MainWindow::ActionHistory(bool checked)
diff --git a/src/tools/drawTools/vtoolsinglepoint.cpp b/src/tools/drawTools/vtoolsinglepoint.cpp
index 8fbbd78f8..e56d7c3f8 100644
--- a/src/tools/drawTools/vtoolsinglepoint.cpp
+++ b/src/tools/drawTools/vtoolsinglepoint.cpp
@@ -121,6 +121,7 @@ QVariant VToolSinglePoint::itemChange(QGraphicsItem::GraphicsItemChange change,
 
             //I don't now why but signal does not work.
             doc->FullUpdateTree();
+            emit toolhaveChange();
         }
     }
     return QGraphicsItem::itemChange(change, value);
diff --git a/src/tools/vabstracttool.cpp b/src/tools/vabstracttool.cpp
index c88853368..8bb711086 100644
--- a/src/tools/vabstracttool.cpp
+++ b/src/tools/vabstracttool.cpp
@@ -237,7 +237,7 @@ void VAbstractTool::DeleteTool(QGraphicsItem *tool)
                         scene->removeItem(tool);//remove form scene
                     }
                     doc->FullUpdateTree();
-                    //emit toolhaveChange();//set enabled save button
+                    emit toolhaveChange();//set enabled save button
                 }
                 else
                 {