diff --git a/async_tkinter_loop/mixins.py b/async_tkinter_loop/mixins.py
index 6a445b2..e1b571d 100644
--- a/async_tkinter_loop/mixins.py
+++ b/async_tkinter_loop/mixins.py
@@ -1,3 +1,4 @@
+import asyncio
 import sys
 import tkinter as tk
 
@@ -5,12 +6,12 @@
 
 
 class AsyncTk:
-    def async_mainloop(self: tk.Tk) -> None:
-        async_mainloop(self)
+    def async_mainloop(self: tk.Tk, event_loop: asyncio.AbstractEventLoop | None = None) -> None:
+        async_mainloop(self, event_loop=event_loop)
 
 
 class AsyncCTk(AsyncTk):
-    def async_mainloop(self) -> None:
+    def async_mainloop(self, event_loop: asyncio.AbstractEventLoop | None = None) -> None:
         # Based on the code from CustomTkinter by Tom Schimansky
         # Source https://github.com/TomSchimansky/CustomTkinter/blob/d719950f80eb2768db96bd4cc627523e99603b1b/customtkinter/windows/ctk_tk.py#L155
         if not self._window_exists:
@@ -22,4 +23,4 @@ def async_mainloop(self) -> None:
 
             self._window_exists = True
 
-        super().async_mainloop()
+        super().async_mainloop(event_loop=event_loop)