diff --git a/sleepyhead/Graphs/gLineChart.h b/sleepyhead/Graphs/gLineChart.h
index 4895bda1..92849e13 100644
--- a/sleepyhead/Graphs/gLineChart.h
+++ b/sleepyhead/Graphs/gLineChart.h
@@ -139,8 +139,8 @@ class gLineChart: public Layer
         layer->m_report_empty = m_report_empty;
         layer->m_square_plot = m_square_plot;
         layer->m_disable_accel = m_disable_accel;
-        layer->subtract_offset = layer->subtract_offset;
-        layer->m_codes = layer->m_codes;
+        layer->subtract_offset = subtract_offset;
+        layer->m_codes = m_codes;
         layer->m_threshold = m_threshold;
         layer->m_square = m_square;
         layer->m_enabled = m_enabled;
diff --git a/sleepyhead/SleepLib/loader_plugins/icon_loader.cpp b/sleepyhead/SleepLib/loader_plugins/icon_loader.cpp
index b6b8dee1..2487cca8 100644
--- a/sleepyhead/SleepLib/loader_plugins/icon_loader.cpp
+++ b/sleepyhead/SleepLib/loader_plugins/icon_loader.cpp
@@ -134,7 +134,7 @@ int FPIconLoader::Open(QString path)
             if (m) {
                 c+=OpenMachine(m, npath);
             }
-        } catch (OneTypePerDay e) {
+        } catch (OneTypePerDay& e) {
             Q_UNUSED(e)
             p_profile->DelMachine(m);
             MachList.erase(MachList.find(info.serial));
diff --git a/sleepyhead/SleepLib/profiles.cpp b/sleepyhead/SleepLib/profiles.cpp
index d37457aa..5e037052 100644
--- a/sleepyhead/SleepLib/profiles.cpp
+++ b/sleepyhead/SleepLib/profiles.cpp
@@ -581,7 +581,7 @@ void Profile::LoadMachineData()
             } else {
                 try {
                     m->Load();
-                } catch (OldDBVersion e) {
+                } catch (OldDBVersion& e) {
                     Q_UNUSED(e)
                     DataFormatError(m);
                 }
diff --git a/sleepyhead/mainwindow.cpp b/sleepyhead/mainwindow.cpp
index 5d958f22..4a1bd824 100644
--- a/sleepyhead/mainwindow.cpp
+++ b/sleepyhead/mainwindow.cpp
@@ -490,8 +490,8 @@ void loadChannels()
 void MainWindow::on_aboutToQuit()
 {
     Notify(QObject::tr("Don't forget to place your datacard back in your CPAP machine"), QObject::tr("SleepyHead Reminder"));
-    QThread::msleep(1000);
     QApplication::processEvents();
+    QThread::msleep(1000);
 }
 
 void MainWindow::closeEvent(QCloseEvent * event)