diff --git a/docs/conf.py b/docs/conf.py
index 76203f9890..bf5e5beed3 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -185,6 +185,10 @@ def find_source():
         filename = "aeon/%s#L%d-L%d" % find_source()
     except Exception:
         filename = info["module"].replace(".", "/") + ".py"
+
+    if filename.split("/")[0] != "aeon":
+        return None
+
     return "https://github.com/aeon-toolkit/aeon/blob/{}/{}".format(
         github_tag,
         filename,