diff --git a/nw/config.py b/nw/config.py
index 7bc3bf77..e2a45e71 100644
--- a/nw/config.py
+++ b/nw/config.py
@@ -176,8 +176,12 @@ class Config:
             self.osUnknown = True
 
         # Other System Info
-        self.hostName  = QSysInfo.machineHostName()
-        self.kernelVer = QSysInfo.kernelVersion()
+        if self.verQtValue >= 50600:
+            self.hostName  = QSysInfo.machineHostName()
+            self.kernelVer = QSysInfo.kernelVersion()
+        else:
+            self.hostName  = "Unknown"
+            self.kernelVer = "Unknown"
 
         # Packages
         self.hasEnchant  = False
diff --git a/nw/gui/dialogs/projecteditor.py b/nw/gui/dialogs/projecteditor.py
index 6e8b63be..ff6171cd 100644
--- a/nw/gui/dialogs/projecteditor.py
+++ b/nw/gui/dialogs/projecteditor.py
@@ -296,7 +296,7 @@ class GuiProjectEditStatus(QWidget):
         newItem.setIcon(QIcon(newIcon))
         newItem.setData(Qt.UserRole, len(self.colData))
         self.listBox.addItem(newItem)
-        self.colData.append((iName,*iCol,oName))
+        self.colData.append((iName,iCol[0],iCol[1],iCol[2],oName))
         self.colCounts.append(nUse)
         return newItem
 
diff --git a/nw/gui/tools/dochighlight.py b/nw/gui/tools/dochighlight.py
index fbe3a02e..5ac14af5 100644
--- a/nw/gui/tools/dochighlight.py
+++ b/nw/gui/tools/dochighlight.py
@@ -91,7 +91,8 @@ class GuiDocHighlighter(QSyntaxHighlighter):
         self.colTagErr = QColor(*self.theTheme.colTagErr)
         self.colRepTag = QColor(*self.theTheme.colRepTag)
         self.colMod    = QColor(*self.theTheme.colMod)
-        self.colTrail  = QColor(*self.theTheme.colEmph,64)
+        self.colTrail  = QColor(*self.theTheme.colEmph)
+        self.colTrail.setAlpha(64)
 
         self.hStyles = {
             "header1"   : self._makeFormat(self.colHead, "bold",1.8),