diff --git a/novelwriter/gui/dochighlight.py b/novelwriter/gui/dochighlight.py
index 0554beb3..ddbdcaa3 100644
--- a/novelwriter/gui/dochighlight.py
+++ b/novelwriter/gui/dochighlight.py
@@ -168,7 +168,8 @@ class GuiDocHighlighter(QSyntaxHighlighter):
             }
             self._txtRules.append((rxRule, hlRule))
 
-        if sym := CONFIG.dialogLine:
+        if CONFIG.dialogLine:
+            sym = QRegularExpression.escape(CONFIG.dialogLine)
             rxRule = QRegularExpression(f"^{sym}.*?$")
             rxRule.setPatternOptions(QRegExUnicode)
             hlRule = {
@@ -176,7 +177,8 @@ class GuiDocHighlighter(QSyntaxHighlighter):
             }
             self._txtRules.append((rxRule, hlRule))
 
-        if sym := CONFIG.narratorBreak:
+        if CONFIG.narratorBreak:
+            sym = QRegularExpression.escape(CONFIG.narratorBreak)
             rxRule = QRegularExpression(f"({sym}\\b)(.*?)(\\b{sym})")
             rxRule.setPatternOptions(QRegExUnicode)
             hlRule = {
diff --git a/tests/reference/baseConfig_novelwriter.conf b/tests/reference/baseConfig_novelwriter.conf
index 668c3fb9..818f4280 100644
--- a/tests/reference/baseConfig_novelwriter.conf
+++ b/tests/reference/baseConfig_novelwriter.conf
@@ -1,5 +1,5 @@
 [Meta]
-timestamp = 2024-04-13 18:57:38
+timestamp = 2024-05-13 15:59:59
 
 [Main]
 theme = default
@@ -59,9 +59,12 @@ showlineendings = False
 showmultispaces = True
 incnoteswcount = True
 showfullpath = True
-highlightquotes = True
-allowopensquote = False
-allowopendquote = True
+dialogstyle = 2
+allowopendial = True
+narratorbreak = 
+altdialogopen = 
+altdialogclose = 
+dialogline = 
 highlightemph = True
 stopwhenidle = True
 useridletime = 300
diff --git a/tests/test_dialogs/test_dlg_preferences.py b/tests/test_dialogs/test_dlg_preferences.py
index 59e705ff..360c339f 100644
--- a/tests/test_dialogs/test_dlg_preferences.py
+++ b/tests/test_dialogs/test_dlg_preferences.py
@@ -266,18 +266,21 @@ def testDlgPreferences_Settings(qtbot, monkeypatch, nwGUI, tstPaths):
     assert CONFIG.autoScrollPos == 30
 
     # Text Highlighting
-    prefs.allowOpenSQuote.setChecked(True)
-    prefs.allowOpenDQuote.setChecked(False)
-    prefs.highlightQuotes.setChecked(False)
+    prefs.dialogStyle.setCurrentData(3, 0)
+    prefs.allowOpenDial.setChecked(False)
+    prefs.narratorBreak.setText("–")
+    prefs.dialogLine.setText("–")
+    prefs.altDialogOpen.setText("<")
+    prefs.altDialogClose.setText(">")
     prefs.highlightEmph.setChecked(False)
     prefs.showMultiSpaces.setChecked(False)
 
-    assert prefs.allowOpenSQuote.isEnabled() is False
-    assert prefs.allowOpenDQuote.isEnabled() is False
-
-    assert CONFIG.highlightQuotes is True
-    assert CONFIG.allowOpenSQuote is False
-    assert CONFIG.allowOpenDQuote is True
+    assert CONFIG.dialogStyle == 2
+    assert CONFIG.allowOpenDial is True
+    assert CONFIG.narratorBreak == ""
+    assert CONFIG.dialogLine == ""
+    assert CONFIG.altDialogOpen == ""
+    assert CONFIG.altDialogClose == ""
     assert CONFIG.highlightEmph is True
     assert CONFIG.showMultiSpaces is True
 
@@ -384,9 +387,12 @@ def testDlgPreferences_Settings(qtbot, monkeypatch, nwGUI, tstPaths):
     assert CONFIG.autoScrollPos == 31
 
     # Text Highlighting
-    assert CONFIG.highlightQuotes is False
-    assert CONFIG.allowOpenSQuote is True
-    assert CONFIG.allowOpenDQuote is False
+    assert CONFIG.dialogStyle == 3
+    assert CONFIG.allowOpenDial is False
+    assert CONFIG.narratorBreak == "–"
+    assert CONFIG.dialogLine == "–"
+    assert CONFIG.altDialogOpen == "<"
+    assert CONFIG.altDialogClose == ">"
     assert CONFIG.highlightEmph is False
     assert CONFIG.showMultiSpaces is False
 
diff --git a/tests/test_gui/test_gui_guimain.py b/tests/test_gui/test_gui_guimain.py
index 4027a953..e128503c 100644
--- a/tests/test_gui/test_gui_guimain.py
+++ b/tests/test_gui/test_gui_guimain.py
@@ -231,7 +231,15 @@ def testGuiMain_Editing(qtbot, monkeypatch, nwGUI, projPath, tstPaths, mockRnd):
     # Text Editor
     # ===========
 
-    docEditor: GuiDocEditor = nwGUI.docEditor
+    # Syntax Highlighting
+    CONFIG.dialogStyle = 3
+    CONFIG.dialogLine = "–"
+    CONFIG.narratorBreak = "–"
+    CONFIG.altDialogOpen = "<|"
+    CONFIG.altDialogClose = "|>"
+
+    docEditor = nwGUI.docEditor
+    docEditor._qDocument.syntaxHighlighter.initHighlighter()
 
     # Type something into the document
     nwGUI.switchFocus(nwWidget.EDITOR)