diff --git a/logiconf-gui/Page2.qml b/logiconf-gui/Page2.qml
index 8e12054..d6bf10c 100755
--- a/logiconf-gui/Page2.qml
+++ b/logiconf-gui/Page2.qml
@@ -60,6 +60,10 @@ Page2Form {
             print("current index: " + DevCom.getDPIIndex() + " list length: "+dpilist.length)
             if(DevCom.getDPIIndex()+1 > dpilist.length)
                 DevCom.setDPIIndex(dpilist.length-1)
+            if(DevCom.getDefaultDpi()+1 > dpilist.length)
+                DevCom.setDefaultDpi(dpilist.length-1)
+            if(DevCom.getSwitchedDpi()+1 > dpilist.length)
+                DevCom.setSwitchedDpi(dpilist.length-1)
             DevCom.applySettings()
             btnApply.enabled = false;
             var current = DevCom.getDPIIndex()
diff --git a/logiconf-gui/devicecommunicator.cpp b/logiconf-gui/devicecommunicator.cpp
index 1030dfe..2a6af70 100755
--- a/logiconf-gui/devicecommunicator.cpp
+++ b/logiconf-gui/devicecommunicator.cpp
@@ -110,6 +110,26 @@ void DeviceCommunicator::setReportRate(int rate)
     tmpprofile.settings.at("report_rate") = std::move(HIDPP::Setting(rate));
 }
 
+int DeviceCommunicator::getDefaultDpi()
+{
+    return hidprofile->settings.at("default_dpi").get<int>();
+}
+
+void DeviceCommunicator::setDefaultDpi(int level)
+{
+    tmpprofile.settings.at("default_dpi") = std::move(HIDPP::Setting(level));
+}
+
+int DeviceCommunicator::getSwitchedDpi()
+{
+    return hidprofile->settings.at("switched_dpi").get<int>();
+}
+
+void DeviceCommunicator::setSwitchedDpi(int level)
+{
+    tmpprofile.settings.at("switched_dpi") = std::move(HIDPP::Setting(level));
+}
+
 void DeviceCommunicator::setDPI(int level, int dpi)
 {
     tmpprofile.modes[level].at("dpi") = std::move(HIDPP::Setting(dpi));
diff --git a/logiconf-gui/devicecommunicator.h b/logiconf-gui/devicecommunicator.h
index fc5d855..f97d101 100755
--- a/logiconf-gui/devicecommunicator.h
+++ b/logiconf-gui/devicecommunicator.h
@@ -18,6 +18,10 @@ class DeviceCommunicator : public QObject
     explicit DeviceCommunicator(QObject *parent = 0);
     Q_INVOKABLE int getReportRate();
     Q_INVOKABLE void setReportRate(int rate);
+    Q_INVOKABLE int getDefaultDpi();
+    Q_INVOKABLE void setDefaultDpi(int level);
+    Q_INVOKABLE int getSwitchedDpi();
+    Q_INVOKABLE void setSwitchedDpi(int level);
     Q_INVOKABLE void setDPI(int level, int dpi);
     Q_INVOKABLE void removeDPILevel(int level);
     Q_INVOKABLE void addDPILevel(int dpi);