diff --git a/pygeoapi/flask_app.py b/pygeoapi/flask_app.py
index 7eebf3b..e1edecd 100644
--- a/pygeoapi/flask_app.py
+++ b/pygeoapi/flask_app.py
@@ -180,7 +180,7 @@ def collection_queryables(collection_id=None):
 
 @BLUEPRINT.route('/collections/<path:collection_id>/items',
                  methods=['GET', 'POST'])
-@BLUEPRINT.route('/collections/<path:collection_id>/items/<item_id>',
+@BLUEPRINT.route('/collections/<path:collection_id>/items/<path:item_id>',
                  methods=['GET', 'PUT', 'DELETE'])
 def collection_items(collection_id, item_id=None):
     """
diff --git a/pygeoapi/starlette_app.py b/pygeoapi/starlette_app.py
index 8bada0b..e93f1fe 100644
--- a/pygeoapi/starlette_app.py
+++ b/pygeoapi/starlette_app.py
@@ -244,9 +244,9 @@ async def get_collection_items_tiles(request: Request, collection_id=None,
 
 @app.route('/collections/{collection_id:path}/items', methods=['GET', 'POST'])
 @app.route('/collections/{collection_id:path}/items/', methods=['GET', 'POST'])
-@app.route('/collections/{collection_id:path}/items/{item_id}',
+@app.route('/collections/{collection_id:path}/items/{item_id:path}',
            methods=['GET', 'PUT', 'DELETE'])
-@app.route('/collections/{collection_id:path}/items/{item_id}/',
+@app.route('/collections/{collection_id:path}/items/{item_id:path}/',
            methods=['GET', 'PUT', 'DELETE'])
 async def collection_items(request: Request, collection_id=None, item_id=None):
     """