diff --git a/tests/test_api.py b/tests/test_api.py
index e929730..1b2dfa2 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -94,13 +94,13 @@ def api_(config, openapi):
 
 
 @pytest.fixture()
-def enclosure_api(config_enclosure):
+def enclosure_api(config_enclosure, openapi):
     """ Returns an API instance with a collection with enclosure links. """
     return API(config_enclosure, openapi)
 
 
 @pytest.fixture()
-def rules_api(config_with_rules):
+def rules_api(config_with_rules, openapi):
     """ Returns an API instance with URL prefix and strict slashes policy.
     The API version is extracted from the current version here.
     """
@@ -108,7 +108,7 @@ def rules_api(config_with_rules):
 
 
 @pytest.fixture()
-def api_hidden_resources(config_hidden_resources):
+def api_hidden_resources(config_hidden_resources, openapi):
     return API(config_hidden_resources, openapi)
 
 
diff --git a/tests/test_api_ogr_provider.py b/tests/test_api_ogr_provider.py
index 1588136..65d3587 100644
--- a/tests/test_api_ogr_provider.py
+++ b/tests/test_api_ogr_provider.py
@@ -56,7 +56,7 @@ def openapi():
 
 
 @pytest.fixture()
-def api_(config):
+def api_(config, openapi):
     return API(config, openapi)