diff --git a/notebook_05_lhc_lossmap.ipynb b/notebook_05_lhc_lossmap.ipynb
index e05a19e..c9661ea 100644
--- a/notebook_05_lhc_lossmap.ipynb
+++ b/notebook_05_lhc_lossmap.ipynb
@@ -96,7 +96,7 @@
     }
    ],
    "source": [
-    "coll_manager = xc.CollimatorManager.from_yaml('collimators_simplified.yaml', line=line, beam='1')\n",
+    "coll_manager = xc.CollimatorDatabase.from_yaml('collimators_simplified.yaml', line=line, beam='1')\n",
     "coll_manager.install_everest_collimators(verbose=True)"
    ]
   },