diff --git a/changelog.d/3082.docs.rst b/changelog.d/3082.docs.rst
new file mode 100644
index 000000000..366ad4ce5
--- /dev/null
+++ b/changelog.d/3082.docs.rst
@@ -0,0 +1 @@
+Do not overwrite the docs/prolog.txt file in conf.py.
\ No newline at end of file
diff --git a/docs/conf.py b/docs/conf.py
index eb54c3f68..f1f8b34bc 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -99,7 +99,7 @@ with open("prolog.txt", "r") as file:
     rst_prolog = file.read()
 
 # Adds d.py version to available substitutions in all files
-rst_prolog = f"\n.. |DPY_VERSION| replace:: {dpy_version}"
+rst_prolog += f"\n.. |DPY_VERSION| replace:: {dpy_version}"
 
 # -- Options for HTML output ----------------------------------------------