diff --git a/favro_sync/favro_fuse.py b/favro_sync/favro_fuse.py
index 1b4ef66..cd17978 100644
--- a/favro_sync/favro_fuse.py
+++ b/favro_sync/favro_fuse.py
@@ -168,13 +168,16 @@ class FavroFuse(fuse.Fuse):
 
     def __init__(
         self,
+        *,
         favro_client: FavroClient,
         formatter: CardFileFormatter,
+        collection_filter: frozenset[str],
         **kwargs,
     ):
         self.favro_client = favro_client
         self.formatter = formatter
         self.wiped_cards = set()
+        self.collection_filter = collection_filter
         self.path_components = [
             RootFileSystemItem,
             CollectionFileSystemItem,
@@ -209,6 +212,9 @@ class FavroFuse(fuse.Fuse):
             return -errno.ENOENT
         return st
 
+    def _is_allowed_collection(self, item: CollectionFileSystemItem) -> bool:
+        return item.collection_name in self.collection_filter
+
     def readdir(self, path: str, offset: int) -> Iterator[fuse.Direntry]:
         logger.info('Reading directory: %s', path)
         file_system_item = path_to_file_system_item(path, self.path_components)
@@ -218,11 +224,15 @@ class FavroFuse(fuse.Fuse):
 
         if isinstance(file_system_item, RootFileSystemItem):
             for collection in self.favro_client.get_collections():
-                collection_name = collection.name.replace('/', '')
-                yield fuse.Direntry(str(CollectionFileSystemItem(collection_name)))
-                del collection
+                item = CollectionFileSystemItem(collection.name.replace('/', ''))
+                if self._is_allowed_collection(item):
+                    yield fuse.Direntry(str(item))
+                del collection, item
 
         elif isinstance(file_system_item, CollectionFileSystemItem):
+            if not self._is_allowed_collection(file_system_item):
+                return # Yield nothing
+
             # TODO: move into own function
             for collection in self.favro_client.get_collections():
                 if collection.name.replace('/', '') == file_system_item.collection_name:
@@ -339,10 +349,12 @@ Userspace hello example
 
 def start_favro_fuse(favro_client: FavroClient):
     logger.info('Starting favro FUSE')
+    collection_filter = frozenset(['Platform'])
     # TODO:
     server = FavroFuse(
         favro_client=favro_client,
         formatter=CardFileFormatter(),
+        collection_filter=collection_filter,
         version='%prog ' + fuse.__version__,
         usage=HELP,
         dash_s_do='setsingle',