diff --git a/picard/ui/widgets/scripttextedit.py b/picard/ui/widgets/scripttextedit.py
index 98b7efa2ad..133e23d654 100644
--- a/picard/ui/widgets/scripttextedit.py
+++ b/picard/ui/widgets/scripttextedit.py
@@ -174,15 +174,15 @@ def highlightBlock(self, text):
 
 class ScriptCompleter(QCompleter):
     def __init__(self, parent=None):
-        super().__init__(sorted(self.choices), parent)
+        super().__init__(self.choices, parent)
         self.setCompletionMode(QCompleter.CompletionMode.UnfilteredPopupCompletion)
-        self.highlighted.connect(self.set_highlighted)
         self.last_selected = ''
+        self.highlighted.connect(self.set_highlighted)
 
     @property
     def choices(self):
-        yield from (f'${name}' for name in script_function_names())
-        yield from (f'%{name}%' for name in script_variable_tag_names())
+        yield from sorted(f'${name}' for name in script_function_names())
+        yield from sorted(f'%{name}%' for name in script_variable_tag_names())
 
     def set_highlighted(self, text):
         self.last_selected = text
@@ -312,7 +312,7 @@ def __init__(self, parent):
         super().__init__(parent)
         config = get_config()
         self.highlighter = TaggerScriptSyntaxHighlighter(self.document())
-        self.enable_completer()
+        self.initialize_completer()
         self.setFontFamily(FONT_FAMILY_MONOSPACE)
         self.setMouseTracking(True)
         self.setAcceptRichText(False)
@@ -414,7 +414,7 @@ def update_show_tooltips(self):
             QToolTip.hideText()
             self.setToolTip('')
 
-    def enable_completer(self):
+    def initialize_completer(self):
         self.completer = ScriptCompleter()
         self.completer.setWidget(self)
         self.completer.activated.connect(self.insert_completion)