diff --git a/core/.changelog.d/3868.added b/core/.changelog.d/3868.added
new file mode 100644
index 00000000000..fb9cec1e842
--- /dev/null
+++ b/core/.changelog.d/3868.added
@@ -0,0 +1,2 @@
+Added flag for setting up device using SLIP39 "single".
+Renamed flag used for setting up device using BIP39 to `basic`.
diff --git a/python/src/trezorlib/cli/device.py b/python/src/trezorlib/cli/device.py
index f06a4fe2fd2..15b5c362742 100644
--- a/python/src/trezorlib/cli/device.py
+++ b/python/src/trezorlib/cli/device.py
@@ -34,7 +34,8 @@
 }
 
 BACKUP_TYPE = {
-    "single": messages.BackupType.Bip39,
+    "bip39": messages.BackupType.Bip39,
+    "single": messages.BackupType.Slip39_Single_Extendable,
     "shamir": messages.BackupType.Slip39_Basic,
     "advanced": messages.BackupType.Slip39_Advanced,
 }