diff --git a/src/anemoi/utils/cli.py b/src/anemoi/utils/cli.py
index 58698c7f..ccb7229e 100644
--- a/src/anemoi/utils/cli.py
+++ b/src/anemoi/utils/cli.py
@@ -265,10 +265,13 @@ def cli_main(
         else:
             cmd.run(args)
     except ValueError as e:
-
         if test_arguments:
             raise
 
+        if sys.excepthook is not sys.__excepthook__:
+            # re-raise exception if non-default excepthook is set (e.g. in pdb)
+            raise
+
         traceback.print_exc()
         LOG.error("\n💣 %s", str(e).lstrip())
         LOG.error("💣 Exiting")