diff --git a/src/murfey/client/multigrid_control.py b/src/murfey/client/multigrid_control.py
index c22524408..26bf67f35 100644
--- a/src/murfey/client/multigrid_control.py
+++ b/src/murfey/client/multigrid_control.py
@@ -405,7 +405,7 @@ def rsync_result(update: RSyncerUpdate):
             )
             if restarted:
                 restarted_url = f"{self.murfey_url}{url_path_for('session_control.router', 'register_restarted_rsyncer', session_id=self.session_id)}"
-                capture_post(restarted_url, json={"source": str(source)})
+                capture_post(restarted_url, json={"path": str(source)})
             else:
                 url = f"{str(self._environment.url.geturl())}{url_path_for('session_control.router', 'register_rsyncer', session_id=self._environment.murfey_session)}"
                 rsyncer_data = {