diff --git a/src/mkdocs_git_revision_date_localized_plugin/__init__.py b/src/mkdocs_git_revision_date_localized_plugin/__init__.py
index bf25615..daa50c7 100644
--- a/src/mkdocs_git_revision_date_localized_plugin/__init__.py
+++ b/src/mkdocs_git_revision_date_localized_plugin/__init__.py
@@ -1 +1 @@
-__version__ = "1.4.1"
+__version__ = "1.4.2"
diff --git a/src/mkdocs_git_revision_date_localized_plugin/plugin.py b/src/mkdocs_git_revision_date_localized_plugin/plugin.py
index 495251b..671b352 100644
--- a/src/mkdocs_git_revision_date_localized_plugin/plugin.py
+++ b/src/mkdocs_git_revision_date_localized_plugin/plugin.py
@@ -149,11 +149,21 @@ def parallel_compute_commit_timestamps(self, files, original_source: Optional[Di
         pool = multiprocessing.Pool(processes=min(10, multiprocessing.cpu_count()))
         results = []
         for f in files:
-            if f.is_documentation_page():
+            print(f.abs_src_path)
+            if not f.is_documentation_page():
+                continue
+            elif getattr(f, "generated_by", None):
+                continue
+            elif f.abs_src_path is None:
+                continue
+            elif exclude(f.src_path, self.config.get("exclude", [])):
+                continue
+            else:
                 abs_src_path = f.abs_src_path
-                # Support plugins like monorep that might have moved the files from the original source that is under git
+                # Support plugins like monorepo that might have moved the files from the original source that is under git
                 if original_source and abs_src_path in original_source:
                     abs_src_path = original_source[abs_src_path]
+                
                 assert Path(abs_src_path).exists()
                 abs_src_path = str(Path(abs_src_path).absolute())
                 result = pool.apply_async(self.util.get_git_commit_timestamp, args=(abs_src_path, is_first_commit))
@@ -182,11 +192,12 @@ def on_files(self, files: Files, config: MkDocsConfig):
 
         try:
             if not self.last_revision_commits:
-                self.parallel_compute_commit_timestamps(files=files, original_source=original_source, is_first_commit=False)
+               self.parallel_compute_commit_timestamps(files=files, original_source=original_source, is_first_commit=False)
             if not self.created_commits:
                 self.parallel_compute_commit_timestamps(files=files, original_source=original_source, is_first_commit=True)
         except Exception as e:
             logging.warning(f"Parallel processing failed: {str(e)}.\n To fall back to serial processing, use 'enable_parallel_processing: False' setting.")
+            raise e
             
 
     def on_page_markdown(self, markdown: str, page: Page, config: config_options.Config, files, **kwargs) -> str:
diff --git a/tests/fixtures/basic_project/gen_files.py b/tests/fixtures/basic_project/gen_files.py
new file mode 100644
index 0000000..8534291
--- /dev/null
+++ b/tests/fixtures/basic_project/gen_files.py
@@ -0,0 +1,5 @@
+# for testing with generated files. See mkdocs_plugin_genfiles.yml
+import mkdocs_gen_files
+
+with mkdocs_gen_files.open("foo.md", "w") as f:
+    print("Bar, world!", file=f)
\ No newline at end of file
diff --git a/tests/fixtures/basic_project/mkdocs_plugin_genfiles.yml b/tests/fixtures/basic_project/mkdocs_plugin_genfiles.yml
new file mode 100644
index 0000000..abbf9f8
--- /dev/null
+++ b/tests/fixtures/basic_project/mkdocs_plugin_genfiles.yml
@@ -0,0 +1,9 @@
+site_name: test gitrevisiondatelocalized_plugin
+use_directory_urls: true
+
+plugins:
+    - search
+    - gen-files:
+        scripts:
+            - gen_files.py  # or any other name or path
+    - git-revision-date-localized
\ No newline at end of file
diff --git a/tests/test_builds.py b/tests/test_builds.py
index a85022e..417afd6 100644
--- a/tests/test_builds.py
+++ b/tests/test_builds.py
@@ -119,8 +119,10 @@ def setup_clean_mkdocs_folder(mkdocs_yml_path, output_path):
     else:
         shutil.copytree("tests/fixtures/basic_project/docs", str(testproject_path / "docs"))
 
+    shutil.copyfile("tests/fixtures/basic_project/gen_files.py", str(testproject_path / "gen_files.py"))
     shutil.copyfile(mkdocs_yml_path, str(testproject_path / "mkdocs.yml"))
 
+
     if "gen-files" in mkdocs_yml_path:
         shutil.copyfile(str(Path(mkdocs_yml_path).parent / "gen_pages.py"), str(testproject_path / "gen_pages.py"))
 
@@ -694,3 +696,15 @@ def test_monorepo_compat_reverse_order(tmp_path):
     setup_commit_history(testproject_path)
     result = build_docs_setup(testproject_path)
     assert result.exit_code == 0, f"'mkdocs build' command failed with:\n\n{result.stdout}"
+
+
+def test_genfiles_plugin(tmp_path):
+    testproject_path = setup_clean_mkdocs_folder("tests/fixtures/basic_project/mkdocs_plugin_genfiles.yml", tmp_path)
+    setup_commit_history(testproject_path)
+
+    result = build_docs_setup(testproject_path)
+    assert result.exit_code == 0, f"'mkdocs build' command failed with:\n\n{result.stdout}"
+
+    page_with_tag = testproject_path / "site/foo/index.html"
+    contents = page_with_tag.read_text(encoding="utf8")
+    assert "Bar, world!" in contents
\ No newline at end of file