diff --git a/devices.py b/devices.py
index 0199efa..977add4 100755
--- a/devices.py
+++ b/devices.py
@@ -143,7 +143,7 @@ components = [
         "kwargs": {},
         "z_und": 98,
         "desc": "DCM Monochromator",
-        "type": "slic.devices.xoptics.dcm:Double_Crystal_Mono",
+        "type": "slic.devices.xoptics.dcm:DoubleCrystalMono",
     },
     {
         "name": "prof_mono",