diff --git a/.gitea/workflows/convert-html-docs.yaml b/.gitea/workflows/convert-html-docs.yaml
index 3aa94f125..86713d9bf 100644
--- a/.gitea/workflows/convert-html-docs.yaml
+++ b/.gitea/workflows/convert-html-docs.yaml
@@ -280,7 +280,7 @@ jobs:
                       }
           
                       with open(os.environ['GITHUB_OUTPUT'], 'a') as fh:
-                        fh.write(env_vars)
+                        fh.write(json.dumps(env_vars, indent=4))
                       # Export env vars for convert_doc command
                       env_str = " ".join([f'{k}="{v}"' for k, v in env_vars.items() if v])