diff --git a/python/src/trezorlib/cli/__init__.py b/python/src/trezorlib/cli/__init__.py
index 2d332e50955..c1f0b5d58bd 100644
--- a/python/src/trezorlib/cli/__init__.py
+++ b/python/src/trezorlib/cli/__init__.py
@@ -307,6 +307,9 @@ def session_context(
             sys.exit(1)
         except exceptions.FailedSessionResumption:
             sys.exit(1)
+        except exceptions.DerivationOnUninitaizedDeviceError:
+            click.echo("Device is not initialized.")
+            sys.exit(1)
         except Exception:
             click.echo("Failed to find a Trezor device.")
             if self.path is not None: