diff --git a/README.md b/README.md
index be6e9ea..d689166 100644
--- a/README.md
+++ b/README.md
@@ -164,7 +164,7 @@ Tasks outside the scope of this project:
 - Make a successor for the OpenMapTiles schema.
 - Docker image for running this self-hosted on any machine.
 
-### Dev setup
+#### Dev setup
 
 See [dev setup docs](docs/dev_setup.md).
 
diff --git a/scripts/http_host/http_host_lib/download_assets.py b/scripts/http_host/http_host_lib/download_assets.py
index 92bdcb6..9f720a9 100644
--- a/scripts/http_host/http_host_lib/download_assets.py
+++ b/scripts/http_host/http_host_lib/download_assets.py
@@ -23,7 +23,8 @@ def download_fonts(assets_dir: Path):
     ofm_dir = fonts_dir / 'ofm'
     ofm_dir_bak = fonts_dir / 'ofm.bak'
     shutil.rmtree(ofm_dir_bak, ignore_errors=True)
-    ofm_dir.rename(ofm_dir_bak)
+    if ofm_dir.exists():
+        ofm_dir.rename(ofm_dir_bak)
 
     subprocess.run(
         ['tar', '-xzf', local_file, '-C', fonts_dir],
@@ -47,7 +48,8 @@ def download_styles(assets_dir: Path):
     ofm_dir = styles_dir / 'ofm'
     ofm_dir_bak = styles_dir / 'ofm.bak'
     shutil.rmtree(ofm_dir_bak, ignore_errors=True)
-    ofm_dir.rename(ofm_dir_bak)
+    if ofm_dir.exists():
+        ofm_dir.rename(ofm_dir_bak)
 
     subprocess.run(
         ['tar', '-xzf', local_file, '-C', styles_dir],