diff --git a/pyaccel/VERSION b/pyaccel/VERSION
index 4f6817b..a8346d5 100644
--- a/pyaccel/VERSION
+++ b/pyaccel/VERSION
@@ -1 +1 @@
-3.19.1
+3.19.2
diff --git a/pyaccel/optics/beam_envelope.py b/pyaccel/optics/beam_envelope.py
index 9a9e03a..8449766 100644
--- a/pyaccel/optics/beam_envelope.py
+++ b/pyaccel/optics/beam_envelope.py
@@ -485,7 +485,7 @@ def calc_beamenvelope(
     has_cavity = True
     try:
         accelerator.cavity_on = True
-    except _accelerator.AcceleratorException as excp:
+    except _accelerator.AcceleratorError as excp:
         has_cavity = False
 
     if fixed_point is None: