diff --git a/ayon_api/_api_helpers/projects.py b/ayon_api/_api_helpers/projects.py
index 51c501176..df602d808 100644
--- a/ayon_api/_api_helpers/projects.py
+++ b/ayon_api/_api_helpers/projects.py
@@ -9,7 +9,6 @@
 
 from ayon_api.constants import (
     PROJECT_NAME_REGEX,
-    DEFAULT_PRODUCT_BASE_TYPE_FIELDS,
     DEFAULT_PRODUCT_TYPE_FIELDS,
 )
 from ayon_api.utils import prepare_query_string, fill_own_attribs
@@ -50,6 +49,8 @@ class ProjectFetchType(Enum):
 
 
 class ProjectsAPI(BaseServerAPI):
+    _project_product_base_type_fields = None
+
     def get_project_anatomy_presets(self) -> list[AnatomyPresetDict]:
         """Anatomy presets available on server.
 
@@ -802,7 +803,8 @@ def _get_project_graphql_fields(
             elif field == "productBaseTypes":
                 must_use_graphql = True
                 fields.discard(field)
-                for f_name in DEFAULT_PRODUCT_BASE_TYPE_FIELDS:
+                # for f_name in DEFAULT_PRODUCT_BASE_TYPE_FIELDS:
+                for f_name in self._get_project_product_base_type_fields():
                     graphql_fields.add(f"{field}.{f_name}")
 
             elif field.startswith("productBaseTypes"):
@@ -1017,3 +1019,17 @@ def _get_project_roots_values(
         )
         response.raise_for_status()
         return response.data
+
+    def _get_project_product_base_type_fields(self) -> set[str]:
+        if self._project_product_base_type_fields is not None:
+            return self._project_product_base_type_fields
+
+        graphql_schema = self.get_graphql_schema()
+
+        field_names = {"name"}
+        for type_def in graphql_schema["__schema"]["types"]:
+            if type_def["name"] == "ProductBaseType":
+                field_names = {field["name"] for field in type_def["fields"]}
+                break
+        self._project_product_base_type_fields = field_names
+        return field_names