diff --git a/changelog/+4507ed25.fixed.md b/changelog/+4507ed25.fixed.md
new file mode 100644
index 00000000..5186e0ab
--- /dev/null
+++ b/changelog/+4507ed25.fixed.md
@@ -0,0 +1 @@
+Fixed an issue where the process_nodes method in the generators used the old format of the schema hash, so node population didn't work
diff --git a/infrahub_sdk/generator.py b/infrahub_sdk/generator.py
index 831d9c98..e08f6642 100644
--- a/infrahub_sdk/generator.py
+++ b/infrahub_sdk/generator.py
@@ -125,7 +125,7 @@ async def process_nodes(self, data: dict) -> None:
         await self._init_client.schema.all(branch=self.branch_name)
 
         for kind in data:
-            if kind in self._init_client.schema.cache[self.branch_name]:
+            if kind in self._init_client.schema.cache[self.branch_name].nodes.keys():
                 for result in data[kind].get("edges", []):
                     node = await self.infrahub_node.from_graphql(
                         client=self._init_client, branch=self.branch_name, data=result