diff --git a/pkgs/development/python-modules/aioimaplib/default.nix b/pkgs/development/python-modules/aioimaplib/default.nix
index f26dc63ec141..dc7cf465bd5b 100644
--- a/pkgs/development/python-modules/aioimaplib/default.nix
+++ b/pkgs/development/python-modules/aioimaplib/default.nix
@@ -29,6 +29,10 @@ buildPythonPackage rec {
     ./event-loop.patch
   ];
 
+  postPatch = ''
+    sed -i "/crypto.X509Extension/,+1d" tests/ssl_cert.py
+  '';
+
   build-system = [ poetry-core ];
 
   nativeCheckInputs = [
@@ -43,6 +47,7 @@ buildPythonPackage rec {
   disabledTests = [
     # TimeoutError
     "test_idle_start__exits_queue_get_without_timeout_error"
+    "test_client_can_connect_to_server_over_ssl"
   ]
   ++ lib.optionals stdenv.hostPlatform.isDarwin [
     # Comparison to magic strings