diff --git a/pkgs/development/python-modules/pyipp/default.nix b/pkgs/development/python-modules/pyipp/default.nix
index ed5a5f4576ab..dfef79a4dcae 100644
--- a/pkgs/development/python-modules/pyipp/default.nix
+++ b/pkgs/development/python-modules/pyipp/default.nix
@@ -6,7 +6,7 @@
 , fetchFromGitHub
 , pytest-asyncio
 , pytestCheckHook
-, pytestcov
+, pytest-cov
 , yarl
 }:
 
@@ -30,24 +30,10 @@ buildPythonPackage rec {
   checkInputs = [
     aresponses
     pytest-asyncio
-    pytestcov
+    pytest-cov
     pytestCheckHook
   ];
 
-  # Some tests are failing due to encoding issues
-  # https://github.com/ctalkington/python-ipp/issues/121
-  disabledTests = [
-    "test_internal_session"
-    "test_request_port"
-    "est_http_error426"
-    "test_unexpected_response"
-    "test_printer"
-    "test_raw"
-    "test_ipp_request"
-    "test_request_tls"
-    "test_ipp_error_0x0503"
-  ];
-
   pythonImportsCheck = [ "pyipp" ];
 
   meta = with lib; {