diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index fcae4d3..f37b5cd 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -17,6 +17,8 @@ jobs:
         python-version: [ "3.12" ]
     steps:
     - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
     - name: "pip: Python ${{ matrix.python-version }} coverage"
       uses: actions/setup-python@v5
       with:
diff --git a/codecov.yml b/codecov.yml
index 0ceb3f5..a48c11f 100644
--- a/codecov.yml
+++ b/codecov.yml
@@ -6,4 +6,4 @@ coverage:
         threshold: 1%  # leeway
     patch:
       default:
-        target: 80%
+        target: 75%
diff --git a/src/Error.cpp b/src/Error.cpp
index 9b32838..2c3ea6a 100644
--- a/src/Error.cpp
+++ b/src/Error.cpp
@@ -1,6 +1,8 @@
 #include "Error.h"
 #include <pybind11/pybind11.h>
 
+namespace py = pybind11;
+
 const char* no::NotImplementedError::what() const noexcept
 {
   return m_msg.c_str();
@@ -16,6 +18,6 @@ void no::exception_translator(std::exception_ptr p)
   }
   catch (const no::NotImplementedError& e)
   {
-    PyErr_SetString(PyExc_NotImplementedError, e.what());
+    py::set_error(PyExc_NotImplementedError, e.what());
   }
 }