diff --git a/novelwriter/__init__.py b/novelwriter/__init__.py
index 5c13cde9..4ba051c1 100644
--- a/novelwriter/__init__.py
+++ b/novelwriter/__init__.py
@@ -214,14 +214,14 @@ def main(sysArgs=None):
             "At least Python 3.7 is required, found %s" % CONFIG.verPyString
         )
         errorCode |= 0x04
-    if CONFIG.verQtValue < 50900:
+    if CONFIG.verQtValue < 51000:
         errorData.append(
-            "At least Qt5 version 5.9 is required, found %s" % CONFIG.verQtString
+            "At least Qt5 version 5.10 is required, found %s" % CONFIG.verQtString
         )
         errorCode |= 0x08
-    if CONFIG.verPyQtValue < 50900:
+    if CONFIG.verPyQtValue < 51000:
         errorData.append(
-            "At least PyQt5 version 5.9 is required, found %s" % CONFIG.verPyQtString
+            "At least PyQt5 version 5.10 is required, found %s" % CONFIG.verPyQtString
         )
         errorCode |= 0x10
 
diff --git a/novelwriter/gui/doceditor.py b/novelwriter/gui/doceditor.py
index 2c908c2f..cc96b9e9 100644
--- a/novelwriter/gui/doceditor.py
+++ b/novelwriter/gui/doceditor.py
@@ -303,10 +303,7 @@ class GuiDocEditor(QTextEdit):
             self.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
 
         # Refresh the tab stops
-        if self.mainConf.verQtValue >= 51000:
-            self.setTabStopDistance(self.mainConf.getTabWidth())
-        else:  # pragma: no cover
-            self.setTabStopWidth(self.mainConf.getTabWidth())
+        self.setTabStopDistance(self.mainConf.getTabWidth())
 
         # Initialise the syntax highlighter
         self.highLight.initHighlighter()
diff --git a/novelwriter/gui/docviewer.py b/novelwriter/gui/docviewer.py
index 5c9ae4ab..1f14f165 100644
--- a/novelwriter/gui/docviewer.py
+++ b/novelwriter/gui/docviewer.py
@@ -150,10 +150,7 @@ class GuiDocViewer(QTextBrowser):
             self.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
 
         # Refresh the tab stops
-        if self.mainConf.verQtValue >= 51000:
-            self.setTabStopDistance(self.mainConf.getTabWidth())
-        else:  # pragma: no cover
-            self.setTabStopWidth(self.mainConf.getTabWidth())
+        self.setTabStopDistance(self.mainConf.getTabWidth())
 
         # If we have a document open, we should reload it in case the font changed
         if self._docHandle is not None:
@@ -193,10 +190,7 @@ class GuiDocViewer(QTextBrowser):
             return False
 
         # Refresh the tab stops
-        if self.mainConf.verQtValue >= 51000:
-            self.setTabStopDistance(self.mainConf.getTabWidth())
-        else:  # pragma: no cover
-            self.setTabStopWidth(self.mainConf.getTabWidth())
+        self.setTabStopDistance(self.mainConf.getTabWidth())
 
         # Must be before setHtml
         if updateHistory:
diff --git a/novelwriter/tools/build.py b/novelwriter/tools/build.py
index 1518a079..d2b3faf7 100644
--- a/novelwriter/tools/build.py
+++ b/novelwriter/tools/build.py
@@ -1265,10 +1265,7 @@ class GuiBuildNovelDocView(QTextBrowser):
         self.setFont(theFont)
 
         # Set the tab stops
-        if self.mainConf.verQtValue >= 51000:
-            self.setTabStopDistance(self.mainConf.getTabWidth())
-        else:  # pragma: no cover
-            self.setTabStopWidth(self.mainConf.getTabWidth())
+        self.setTabStopDistance(self.mainConf.getTabWidth())
 
         docPalette = self.palette()
         docPalette.setColor(QPalette.Base, QColor(255, 255, 255))