diff --git a/python/.changelog.d/3868.added b/python/.changelog.d/3868.added
new file mode 100644
index 0000000000..70e92a82bd
--- /dev/null
+++ b/python/.changelog.d/3868.added
@@ -0,0 +1 @@
+Added flag for setting up device using SLIP39 "single".
diff --git a/python/.changelog.d/3868.incompatible b/python/.changelog.d/3868.incompatible
new file mode 100644
index 0000000000..3b9aaafc21
--- /dev/null
+++ b/python/.changelog.d/3868.incompatible
@@ -0,0 +1 @@
+Renamed flag used for setting up device using BIP39 to `bip39`.
diff --git a/python/src/trezorlib/cli/device.py b/python/src/trezorlib/cli/device.py
index f06a4fe2fd..15b5c36274 100644
--- a/python/src/trezorlib/cli/device.py
+++ b/python/src/trezorlib/cli/device.py
@@ -34,7 +34,8 @@ RECOVERY_DEVICE_INPUT_METHOD = {
 }
 
 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,
 }