diff --git a/uvdat/core/rest/simulations.py b/uvdat/core/rest/simulations.py
index 4d5d80bf..c2935d06 100644
--- a/uvdat/core/rest/simulations.py
+++ b/uvdat/core/rest/simulations.py
@@ -24,7 +24,7 @@ def get_available_simulations(project_id: int):
             options = a.get('options')
             if not options:
                 options_annotations = a.get('options_annotations')
-                options_query = a.get('options_query')
+                options_query = a.get('options_query', {})
                 options_type = a.get('type')
                 option_serializer_matches = [
                     s
@@ -33,7 +33,7 @@ def get_available_simulations(project_id: int):
                     and s.Meta.model == options_type
                     and 'Extended' not in s.__name__
                 ]
-                if not options_query or not options_type or len(option_serializer_matches) == 0:
+                if not options_type or len(option_serializer_matches) == 0:
                     options = []
                 else:
                     option_serializer = option_serializer_matches[0]