diff --git a/src/aare/common/beamline.py b/src/aare/common/beamline.py
index 8a775a0c..0672b2de 100644
--- a/src/aare/common/beamline.py
+++ b/src/aare/common/beamline.py
@@ -28,4 +28,4 @@ def get_jfjoch_url(bl: MXBeamline) -> str:
         case MXBeamline.X06SA:
             raise NotImplementedError("X06SA beamline not supported yet")
         case _:
-            raise ValueError(f"No JFJoch URL configured for beamline: {bl}")
\ No newline at end of file
+            raise ValueError(f"unknown beamline {bl}")
\ No newline at end of file