diff --git a/plug.py b/plug.py
index aa34ce77c..5d75f5b2b 100644
--- a/plug.py
+++ b/plug.py
@@ -94,7 +94,7 @@ def _get_func(self, funcname: str):
         """
         return getattr(self.module, funcname, None)
 
-    def get_app(self, parent: tk.Frame) -> tk.Frame | None:
+    def get_app(self, parent: ttk.Frame) -> ttk.Frame | None:
         """
         If the plugin provides mainwindow content create and return it.
 
@@ -111,12 +111,12 @@ def get_app(self, parent: tk.Frame) -> tk.Frame | None:
                 if isinstance(appitem, tuple):
                     if (
                         len(appitem) != 2
-                        or not isinstance(appitem[0], tk.Widget)
-                        or not isinstance(appitem[1], tk.Widget)
+                        or not isinstance(appitem[0], (ttk.Widget, tk.Widget))
+                        or not isinstance(appitem[1], (ttk.Widget, tk.Widget))
                     ):
                         raise AssertionError
 
-                elif not isinstance(appitem, tk.Widget):
+                elif not isinstance(appitem, (ttk.Widget, tk.Widget)):
                     raise AssertionError
 
                 return appitem
@@ -126,7 +126,7 @@ def get_app(self, parent: tk.Frame) -> tk.Frame | None:
 
         return None
 
-    def get_prefs(self, parent: ttk.Notebook, cmdr: str | None, is_beta: bool) -> tk.Frame | None:
+    def get_prefs(self, parent: ttk.Notebook, cmdr: str | None, is_beta: bool) -> ttk.Frame | None:
         """
         If the plugin provides a prefs frame, create and return it.
 
diff --git a/stats.py b/stats.py
index 041e47f36..498d11278 100644
--- a/stats.py
+++ b/stats.py
@@ -5,6 +5,8 @@
 Licensed under the GNU General Public License.
 See LICENSE file.
 """
+from __future__ import annotations
+
 import csv
 import json
 import sys
@@ -303,10 +305,10 @@ def export_ships(companion_data: dict[str, Any], filename: AnyStr) -> None:
             h.writerow(list(thing))
 
 
-class StatsDialog():
+class StatsDialog:
     """Status dialog containing all of the current cmdr's stats."""
 
-    def __init__(self, parent: tk.Tk, status: tk.Label) -> None:
+    def __init__(self, parent: tk.Tk, status: ttk.Label) -> None:
         self.parent: tk.Tk = parent
         self.status = status
         self.showstats()
diff --git a/ttkHyperlinkLabel.py b/ttkHyperlinkLabel.py
index 24470a937..8eba9c66e 100644
--- a/ttkHyperlinkLabel.py
+++ b/ttkHyperlinkLabel.py
@@ -35,7 +35,7 @@ def _(x: str) -> str: ...
 class HyperlinkLabel(sys.platform == 'darwin' and tk.Label or ttk.Label):  # type: ignore
     """Clickable label for HTTP links."""
 
-    def __init__(self, master: tk.Frame | None = None, **kw: Any) -> None:
+    def __init__(self, master: ttk.Frame | None = None, **kw: Any) -> None:
         """
         Initialize the HyperlinkLabel.
 
@@ -55,7 +55,7 @@ def __init__(self, master: tk.Frame | None = None, **kw: Any) -> None:
             # Use tk.Label 'cos can't set ttk.Label background - http://www.tkdocs.com/tutorial/styles.html#whydifficult
             kw['background'] = kw.pop('background', 'systemDialogBackgroundActive')
             kw['anchor'] = kw.pop('anchor', tk.W)  # like ttk.Label
-            tk.Label.__init__(self, master, **kw)
+            ttk.Label.__init__(self, master, **kw)
 
         else:
             ttk.Label.__init__(self, master, **kw)