diff --git a/desktop-widgets/mainwindow.cpp b/desktop-widgets/mainwindow.cpp
index 933d02527..807bbe95d 100644
--- a/desktop-widgets/mainwindow.cpp
+++ b/desktop-widgets/mainwindow.cpp
@@ -284,25 +284,6 @@ MainWindow::MainWindow() : QMainWindow(),
 	connect(ui.profPn2, &QAction::triggered, pp_gas, &qPrefPartialPressureGas::set_pn2);
 	connect(ui.profPO2, &QAction::triggered, pp_gas, &qPrefPartialPressureGas::set_po2);
 
-	connect(tec, &qPrefTechnicalDetails::calcalltissuesChanged        , graphics, &ProfileWidget2::actionRequestedReplot);
-	connect(tec, &qPrefTechnicalDetails::calcceilingChanged           , graphics, &ProfileWidget2::actionRequestedReplot);
-	connect(tec, &qPrefTechnicalDetails::dcceilingChanged             , graphics, &ProfileWidget2::actionRequestedReplot);
-	connect(tec, &qPrefTechnicalDetails::eadChanged                   , graphics, &ProfileWidget2::actionRequestedReplot);
-	connect(tec, &qPrefTechnicalDetails::calcceiling3mChanged         , graphics, &ProfileWidget2::actionRequestedReplot);
-	connect(tec, &qPrefTechnicalDetails::modChanged                   , graphics, &ProfileWidget2::actionRequestedReplot);
-	connect(tec, &qPrefTechnicalDetails::calcndlttsChanged            , graphics, &ProfileWidget2::actionRequestedReplot);
-	connect(tec, &qPrefTechnicalDetails::hrgraphChanged               , graphics, &ProfileWidget2::actionRequestedReplot);
-	connect(tec, &qPrefTechnicalDetails::rulergraphChanged            , graphics, &ProfileWidget2::actionRequestedReplot);
-	connect(tec, &qPrefTechnicalDetails::show_sacChanged              , graphics, &ProfileWidget2::actionRequestedReplot);
-	connect(tec, &qPrefTechnicalDetails::zoomed_plotChanged           , graphics, &ProfileWidget2::actionRequestedReplot);
-	connect(tec, &qPrefTechnicalDetails::show_pictures_in_profileChanged , graphics, &ProfileWidget2::actionRequestedReplot);
-	connect(tec, &qPrefTechnicalDetails::tankbarChanged               , graphics, &ProfileWidget2::actionRequestedReplot);
-	connect(tec, &qPrefTechnicalDetails::percentagegraphChanged       , graphics, &ProfileWidget2::actionRequestedReplot);
-
-	connect(pp_gas, &qPrefPartialPressureGas::pheChanged, graphics, &ProfileWidget2::actionRequestedReplot);
-	connect(pp_gas, &qPrefPartialPressureGas::pn2Changed, graphics, &ProfileWidget2::actionRequestedReplot);
-	connect(pp_gas, &qPrefPartialPressureGas::po2Changed, graphics, &ProfileWidget2::actionRequestedReplot);
-
 	// now let's set up some connections
 	connect(graphics, &ProfileWidget2::enableToolbar ,this, &MainWindow::setEnabledToolbar);
 	connect(graphics, &ProfileWidget2::disableShortcuts, this, &MainWindow::disableShortcuts);
diff --git a/profile-widget/profilewidget2.cpp b/profile-widget/profilewidget2.cpp
index 61764fb6f..09d1dc135 100644
--- a/profile-widget/profilewidget2.cpp
+++ b/profile-widget/profilewidget2.cpp
@@ -178,6 +178,27 @@ ProfileWidget2::ProfileWidget2(QWidget *parent) : QGraphicsView(parent),
 	diveDepthTableView->setModel(dataModel);
 	diveDepthTableView->show();
 #endif
+
+	auto tec = qPrefTechnicalDetails::instance();
+	connect(tec, &qPrefTechnicalDetails::calcalltissuesChanged           , this, &ProfileWidget2::actionRequestedReplot);
+	connect(tec, &qPrefTechnicalDetails::calcceilingChanged              , this, &ProfileWidget2::actionRequestedReplot);
+	connect(tec, &qPrefTechnicalDetails::dcceilingChanged                , this, &ProfileWidget2::actionRequestedReplot);
+	connect(tec, &qPrefTechnicalDetails::eadChanged                      , this, &ProfileWidget2::actionRequestedReplot);
+	connect(tec, &qPrefTechnicalDetails::calcceiling3mChanged            , this, &ProfileWidget2::actionRequestedReplot);
+	connect(tec, &qPrefTechnicalDetails::modChanged                      , this, &ProfileWidget2::actionRequestedReplot);
+	connect(tec, &qPrefTechnicalDetails::calcndlttsChanged               , this, &ProfileWidget2::actionRequestedReplot);
+	connect(tec, &qPrefTechnicalDetails::hrgraphChanged                  , this, &ProfileWidget2::actionRequestedReplot);
+	connect(tec, &qPrefTechnicalDetails::rulergraphChanged               , this, &ProfileWidget2::actionRequestedReplot);
+	connect(tec, &qPrefTechnicalDetails::show_sacChanged                 , this, &ProfileWidget2::actionRequestedReplot);
+	connect(tec, &qPrefTechnicalDetails::zoomed_plotChanged              , this, &ProfileWidget2::actionRequestedReplot);
+	connect(tec, &qPrefTechnicalDetails::show_pictures_in_profileChanged , this, &ProfileWidget2::actionRequestedReplot);
+	connect(tec, &qPrefTechnicalDetails::tankbarChanged                  , this, &ProfileWidget2::actionRequestedReplot);
+	connect(tec, &qPrefTechnicalDetails::percentagegraphChanged          , this, &ProfileWidget2::actionRequestedReplot);
+
+	auto pp_gas = qPrefPartialPressureGas::instance();
+	connect(pp_gas, &qPrefPartialPressureGas::pheChanged, this, &ProfileWidget2::actionRequestedReplot);
+	connect(pp_gas, &qPrefPartialPressureGas::pn2Changed, this, &ProfileWidget2::actionRequestedReplot);
+	connect(pp_gas, &qPrefPartialPressureGas::po2Changed, this, &ProfileWidget2::actionRequestedReplot);
 }
 
 ProfileWidget2::~ProfileWidget2()