diff --git a/pkgs/development/python-modules/redshift-connector/default.nix b/pkgs/development/python-modules/redshift-connector/default.nix
index 7bf21823e7bb..4bd4b3c14619 100644
--- a/pkgs/development/python-modules/redshift-connector/default.nix
+++ b/pkgs/development/python-modules/redshift-connector/default.nix
@@ -27,9 +27,9 @@ buildPythonPackage rec {
     hash = "sha256-fGOo9FgVMI6ayyB3EMN6RGThwWciShcBZzWTZWtOt8E=";
   };
 
-  # disable test coverage
+  # remove addops as they add test directory and coverage parameters to pytest
   postPatch = ''
-    sed -i "/--cov/d" setup.cfg
+    substituteInPlace setup.cfg --replace 'addopts =' 'no-opts ='
   '';
 
   propagatedBuildInputs = [