diff --git a/src/crawlee/_browserforge_workaround.py b/src/crawlee/_browserforge_workaround.py
index d191e9f658..e165c49b4c 100644
--- a/src/crawlee/_browserforge_workaround.py
+++ b/src/crawlee/_browserforge_workaround.py
@@ -9,21 +9,26 @@ def patch_browserforge() -> None:
     from typing import Dict
     import apify_fingerprint_datapoints  # type:ignore[import-untyped]
     from browserforge import download
-    from browserforge.download import DATA_FILES
 
-    # Needed to be done before the import of code that does import time download
     download.DATA_DIRS: Dict[str, Path] = {  # type:ignore[misc]
         'headers': apify_fingerprint_datapoints.get_header_network().parent,
         'fingerprints': apify_fingerprint_datapoints.get_fingerprint_network().parent,
     }
+
+    def DownloadIfNotExists(**flags: bool) -> None:
+        pass
+
+    download.DownloadIfNotExists = DownloadIfNotExists
+
     import browserforge.bayesian_network
 
     class BayesianNetwork(browserforge.bayesian_network.BayesianNetwork):
         def __init__(self, path: Path) -> None:
-            if path.name in DATA_FILES['headers']:
-                path = download.DATA_DIRS['headers'] / path.name
+            """Inverted mapping as browserforge expects somewhat renamed file names."""
+            if path.name in download.DATA_FILES['headers']:
+                path = download.DATA_DIRS['headers'] / download.DATA_FILES['headers'][path.name]
             else:
-                path = download.DATA_DIRS['fingerprints'] / path.name
+                path = download.DATA_DIRS['fingerprints'] / download.DATA_FILES['fingerprints'][path.name]
             super().__init__(path)
 
     browserforge.bayesian_network.BayesianNetwork = BayesianNetwork  # type:ignore[misc]
diff --git a/src/crawlee/fingerprint_suite/_browserforge_adapter.py b/src/crawlee/fingerprint_suite/_browserforge_adapter.py
index aba4028e5f..7dfdc799ac 100644
--- a/src/crawlee/fingerprint_suite/_browserforge_adapter.py
+++ b/src/crawlee/fingerprint_suite/_browserforge_adapter.py
@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import os.path
 from collections.abc import Iterable
 from copy import deepcopy
 from functools import reduce
@@ -252,7 +253,11 @@ def generate(self, browser_type: SupportedBrowserType = 'chromium') -> dict[str,
 
 def get_available_header_network() -> dict:
     """Get header network that contains possible header values."""
-    return extract_json(DATA_DIR / 'header-network.zip')
+    if os.path.isfile(DATA_DIR / 'header-network.zip'):
+        return extract_json(DATA_DIR / 'header-network.zip')
+    if os.path.isfile(DATA_DIR / 'header-network-definition.zip'):
+        return extract_json(DATA_DIR / 'header-network-definition.zip')
+    raise FileNotFoundError('Missing header-network file.')
 
 
 def get_available_header_values(header_network: dict, node_name: str | set[str]) -> set[str]: