diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8b8882053dc..23189e3f712 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -232,13 +232,18 @@ if(OGS_WRITE_BENCHMARK_COMMANDS)
 endif()
 
 # cmake-lint: disable=E1126
-file(
-    CONFIGURE
-    OUTPUT
-    .envrc
-    CONTENT
-    "PATH_add ${CMAKE_INSTALL_BINDIR}\n[ -d \".venv\" ] && source .venv/bin/activate"
+set(_envrc_content
+    "[ -d \"${PROJECT_BINARY_DIR}/.venv\" ] && source ${PROJECT_BINARY_DIR}/.venv/bin/activate"
+    "export PATH=$PATH:${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_BINDIR}"
 )
+if(_TFEL_SITE-PACKAGES_DIR)
+    set(_envrc_content
+        "${_envrc_content}"
+        "export PYTHONPATH=${_TFEL_SITE-PACKAGES_DIR}:$PYTHONPATH"
+    )
+endif()
+string(REPLACE ";" "\n" _envrc_content "${_envrc_content}")
+file(CONFIGURE OUTPUT .envrc CONTENT "${_envrc_content}")
 
 check_header_compilation()
 
diff --git a/scripts/ci/extends/template-build-linux.yml b/scripts/ci/extends/template-build-linux.yml
index e05b9378c3f..d7475ed0c36 100644
--- a/scripts/ci/extends/template-build-linux.yml
+++ b/scripts/ci/extends/template-build-linux.yml
@@ -14,8 +14,8 @@
     - ln -s `$readlink_cmd -f $build_dir_full` build/${CMAKE_PRESET}
     - ([[ $BUILD_CTEST_LARGE_ON_MASTER && "${CI_COMMIT_BRANCH}" == "master" ]]) && export BUILD_CTEST_LARGE=true
     - cmake --preset=$CMAKE_PRESET --log-level=VERBOSE -Wno-dev $CMAKE_ARGS
-    # Activate .venv
-    - test -f $build_dir_full/.venv/bin/activate && source $build_dir_full/.venv/bin/activate
+    # Activate .venv via .envrc
+    - test -f $build_dir_full/.venv/bin/activate && source $build_dir_full/.envrc
     - |
       function maybe_run_with_xvfb()
       {
diff --git a/scripts/cmake/DependenciesExternalProject.cmake b/scripts/cmake/DependenciesExternalProject.cmake
index 7d9db0892d3..297fad4c3b9 100644
--- a/scripts/cmake/DependenciesExternalProject.cmake
+++ b/scripts/cmake/DependenciesExternalProject.cmake
@@ -65,12 +65,6 @@ if(OGS_USE_MFRONT)
                 "-DPython_ADDITIONAL_VERSIONS=${_py_version_major_minor}"
                 "-Denable-python-bindings=ON"
             )
-            message(
-                STATUS
-                    "TFEL build with Python bindings. To use them:\n "
-                    "  export PYTHONPATH=${PROJECT_BINARY_DIR}/_ext/TFEL/lib/python"
-                    "${_py_version_major_minor}/site-packages:$PYTHONPATH"
-            )
         else()
             # Cleanup variables from previous find_package()-call
             unset(Boost_INCLUDE_DIR)
@@ -111,8 +105,20 @@ if(OGS_USE_MFRONT)
             STATUS
                 "ExternalProject_Add(): added package TFEL@rliv-${ogs.minimum_version.tfel-rliv}"
         )
+        if(Boost_${_py_boost_comp}_FOUND)
+            set(_TFEL_SITE-PACKAGES_DIR
+                "${build_dir_TFEL}/lib/python${_py_version_major_minor}/site-packages"
+                CACHE INTERNAL ""
+            )
+        endif()
         set(TFELHOME ${build_dir_TFEL} CACHE PATH "" FORCE)
     endif()
+    if(_TFEL_SITE-PACKAGES_DIR)
+        message(
+            STATUS "TFEL build with Python bindings. To use them:\n "
+                   "  export PYTHONPATH=${_TFEL_SITE-PACKAGES_DIR}:$PYTHONPATH"
+        )
+    endif()
 endif()
 
 if(OGS_USE_PETSC)
@@ -350,6 +356,7 @@ endif()
 # Building from source requires newer hdf version
 string(REPLACE "." "_" HDF5_TAG ${ogs.tested_version.hdf5})
 
+# cmake-lint: disable=C0103
 if(COMPILER_IS_GCC AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 13.2)
     set(ogs.minimum_version.vtk "9.3.0")
 endif()