diff --git a/pkgs/development/python-modules/aiounifi/default.nix b/pkgs/development/python-modules/aiounifi/default.nix
index 8d31fccc5647..d84a396238a6 100644
--- a/pkgs/development/python-modules/aiounifi/default.nix
+++ b/pkgs/development/python-modules/aiounifi/default.nix
@@ -33,6 +33,10 @@ buildPythonPackage rec {
     pytestCheckHook
   ];
 
+  pytestFlagsArray = [
+    "--asyncio-mode=auto"
+  ];
+
   pythonImportsCheck = [ "aiounifi" ];
 
   meta = with lib; {