diff --git a/src/saturn_engine/worker_manager/api/jobs.py b/src/saturn_engine/worker_manager/api/jobs.py
index dd3d4fd2..b46c96e9 100644
--- a/src/saturn_engine/worker_manager/api/jobs.py
+++ b/src/saturn_engine/worker_manager/api/jobs.py
@@ -67,6 +67,8 @@ def update_job(job_name: str) -> Json[UpdateResponse]:
 def post_sync() -> Json[JobsSyncResponse]:
     """Create jobs that are due to be scheduled."""
     with session_scope() as session:
+        # We reset static definition at each jobs sync
+        current_app.saturn.load_static_definition(session=session)
         sync_jobs(
             static_definitions=current_app.saturn.static_definitions,
             session=session,
diff --git a/src/saturn_engine/worker_manager/context.py b/src/saturn_engine/worker_manager/context.py
index 07710554..776b1470 100644
--- a/src/saturn_engine/worker_manager/context.py
+++ b/src/saturn_engine/worker_manager/context.py
@@ -23,6 +23,8 @@ def static_definitions(self) -> StaticDefinitions:
         return self._static_definitions
 
     def load_static_definition(self, session: AnySession) -> None:
+        if not self.config.static_definitions_jobs_selector:
+            return None
         self._static_definitions = _load_static_definition(
             session=session, config=self.config
         )