--- a/ui/mainwindow.cpp	Mon Nov 24 14:43:36 2014 +0100
+++ b/ui/mainwindow.cpp	Mon Nov 24 15:48:49 2014 +0100
@@ -124,10 +124,11 @@
     return -1;
 }
 
-MainWindow::MainWindow(bool trayMode):
+MainWindow::MainWindow(bool trayMode, const QDateTime& sigDt):
     mTrayMode(trayMode),
     mManualDetailsShown(false),
-    mFailedConnections(0)
+    mFailedConnections(0),
+    mSigDt(sigDt)
 {
     createActions();
     createTrayIcon();
@@ -281,15 +282,14 @@
     bin_verify_result verifyResult = verify_binary(swFileName.toUtf8().constData(),
             swFileName.toUtf8().size());
     QDateTime sigDt = QDateTime::fromTime_t (verifyResult.sig_time);
-    QDateTime currentSigDt = mSettings.value("Software/currentSigDt").toDateTime();
 
-    if (verifyResult.result != VerifyValid || (currentSigDt.isValid() && sigDt <= currentSigDt)) {
+    if (verifyResult.result != VerifyValid || (mSigDt.isValid() && sigDt <= mSigDt)) {
         handleLTE(lteInvalidSoftware);
         if (verifyResult.result != VerifyValid) {
             qDebug() << "Failed to verify downloaded data.";
         } else {
             qDebug() << "Software update was signed at: " << sigDt;
-            qDebug() << "But the installed software was signed on: " << currentSigDt;
+            qDebug() << "But the installed software was signed on: " << mSigDt;
             if (verifyResult.fptr) {
                 fclose(verifyResult.fptr);
             }
@@ -425,15 +425,14 @@
             filePath.toUtf8().size());
 
     QDateTime sigDt = QDateTime::fromTime_t (vres.sig_time);
-    QDateTime currentSigDt = mSettings.value("Software/currentSigDt").toDateTime();
 
-    if (vres.result != VerifyValid || (currentSigDt.isValid() && sigDt <= currentSigDt)) {
+    if (vres.result != VerifyValid || (mSigDt.isValid() && sigDt <= mSigDt)) {
         handleLTE(lteInvalidSoftware);
         if (vres.result != VerifyValid) {
             qDebug() << "Failed to verify installer.";
         } else {
             qDebug() << "Software update was signed at: " << sigDt;
-            qDebug() << "But the installed software was signed on: " << currentSigDt;
+            qDebug() << "But the installed software was signed on: " << mSigDt;
             if (vres.fptr) {
                 fclose(vres.fptr);
             }