diff --git a/data_resource_api/app/data_model_manager.py b/data_resource_api/app/data_model_manager.py
index 8e2f688..9fd4f6c 100644
--- a/data_resource_api/app/data_model_manager.py
+++ b/data_resource_api/app/data_model_manager.py
@@ -300,7 +300,7 @@ def monitor_data_models(self):
             if os.path.isdir(os.path.join(schema_dir, schema)):
                 self.logger.exception(
                     f"Cannot open a nested schema directory '{schema}'")
-                return
+                continue
 
             try:
                 with open(os.path.join(schema_dir, schema), 'r') as fh:
diff --git a/data_resource_api/app/data_resource_manager.py b/data_resource_api/app/data_resource_manager.py
index ef9b625..d4609c0 100644
--- a/data_resource_api/app/data_resource_manager.py
+++ b/data_resource_api/app/data_resource_manager.py
@@ -222,7 +222,7 @@ def monitor_data_resources(self):
             schema_file = os.path.join(schema_dir, schema)
 
             if not os.path.isfile(schema_file):
-                return
+                continue
 
             with open(os.path.join(schema_dir, schema), 'r') as fh:
                 schema_dict = json.load(fh)