diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3aaf96b4..19e06afa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -59,6 +59,7 @@
 * Fix broken link checker [#546](https://github.com/NLeSC/python-template/pull/546)
 * pre-commit script is optional ([#457](https://github.com/NLeSC/python-template/issues/457))
 * CHANGELOG.md is now optional ([#462](https://github.com/NLeSC/python-template/issues/462))
+* Restored default line-length of 79 characters, as recommended by [PEP-8](https://peps.python.org/pep-0008/#maximum-line-length) [#389](https://github.com/NLeSC/python-template/pull/389)
 
 ### Removed
 
diff --git a/template/pyproject.toml.jinja b/template/pyproject.toml.jinja
index 0757ab6e..d50700be 100644
--- a/template/pyproject.toml.jinja
+++ b/template/pyproject.toml.jinja
@@ -107,7 +107,7 @@ extras = dev
 """
 
 [tool.ruff]
-line-length = 120
+line-length = 79
 output-format = "concise"
 {%- if AddLocalDocumentation %}
 extend-exclude = ["docs"]
diff --git a/template/{% if AddLocalDocumentation %}docs{% endif %}/conf.py.jinja b/template/{% if AddLocalDocumentation %}docs{% endif %}/conf.py.jinja
index dbbec0af..ea6ff9a8 100644
--- a/template/{% if AddLocalDocumentation %}docs{% endif %}/conf.py.jinja	
+++ b/template/{% if AddLocalDocumentation %}docs{% endif %}/conf.py.jinja	
@@ -78,11 +78,12 @@ html_theme = "sphinx_rtd_theme"
 
 # -- Options for Intersphinx
 
-intersphinx_mapping = {'python': ('https://docs.python.org/3', None),
-                       # Commonly used libraries, uncomment when used in package
-                       # 'numpy': ('http://docs.scipy.org/doc/numpy/', None),
-                       # 'scipy': ('http://docs.scipy.org/doc/scipy/reference/', None),
-                       # 'scikit-learn': ('https://scikit-learn.org/stable/', None),
-                       # 'matplotlib': ('https://matplotlib.org/stable/', None),
-                       # 'pandas': ('http://pandas.pydata.org/docs/', None),
-                       }
+intersphinx_mapping = {
+    'python': ('https://docs.python.org/3', None),
+    # Commonly used libraries, uncomment when used in package
+    # 'numpy': ('http://docs.scipy.org/doc/numpy/', None),
+    # 'scipy': ('http://docs.scipy.org/doc/scipy/reference/', None),
+    # 'scikit-learn': ('https://scikit-learn.org/stable/', None),
+    # 'matplotlib': ('https://matplotlib.org/stable/', None),
+    # 'pandas': ('http://pandas.pydata.org/docs/', None),
+}