diff --git a/core/src/apps/common/mnemonic/__init__.py b/core/src/apps/common/mnemonic/__init__.py
index e65d006e14..b1e4622d39 100644
--- a/core/src/apps/common/mnemonic/__init__.py
+++ b/core/src/apps/common/mnemonic/__init__.py
@@ -22,12 +22,12 @@ def get() -> (bytes, int):
     return mnemonic_secret, mnemonic_type
 
 
-def get_seed(passphrase: str = ""):
+def get_seed(passphrase: str = "", progress_bar=True):
     mnemonic_secret, mnemonic_type = get()
     if mnemonic_type == TYPE_BIP39:
-        return bip39.get_seed(mnemonic_secret, passphrase)
+        return bip39.get_seed(mnemonic_secret, passphrase, progress_bar)
     elif mnemonic_type == TYPE_SLIP39:
-        return slip39.get_seed(mnemonic_secret, passphrase)
+        return slip39.get_seed(mnemonic_secret, passphrase, progress_bar)
 
 
 def dry_run(secret: bytes):
diff --git a/core/src/apps/common/mnemonic/bip39.py b/core/src/apps/common/mnemonic/bip39.py
index 09426b285e..63641b30fe 100644
--- a/core/src/apps/common/mnemonic/bip39.py
+++ b/core/src/apps/common/mnemonic/bip39.py
@@ -27,10 +27,14 @@ def store(secret: bytes, needs_backup: bool, no_backup: bool):
     storage.store_mnemonic(secret, mnemonic.TYPE_BIP39, needs_backup, no_backup)
 
 
-def get_seed(secret: bytes, passphrase: str):
-    mnemonic._start_progress()
-    seed = bip39.seed(secret.decode(), passphrase, mnemonic._render_progress)
-    mnemonic._stop_progress()
+def get_seed(secret: bytes, passphrase: str, progress_bar=True):
+    if progress_bar:
+        mnemonic._start_progress()
+        seed = bip39.seed(secret.decode(), passphrase, mnemonic._render_progress)
+        mnemonic._stop_progress()
+    else:
+        seed = bip39.seed(secret.decode(), passphrase)
+
     return seed
 
 
diff --git a/core/src/apps/common/mnemonic/slip39.py b/core/src/apps/common/mnemonic/slip39.py
index e888fa7cfb..aac6920c5d 100644
--- a/core/src/apps/common/mnemonic/slip39.py
+++ b/core/src/apps/common/mnemonic/slip39.py
@@ -77,14 +77,16 @@ def store(secret: bytes, needs_backup: bool, no_backup: bool):
     storage.clear_slip39_data()
 
 
-def get_seed(encrypted_master_secret: bytes, passphrase: str):
-    mnemonic._start_progress()
+def get_seed(encrypted_master_secret: bytes, passphrase: str, progress_bar=True):
+    if progress_bar:
+        mnemonic._start_progress()
     identifier = storage.get_slip39_identifier()
     iteration_exponent = storage.get_slip39_iteration_exponent()
     master_secret = slip39.decrypt(
         identifier, iteration_exponent, encrypted_master_secret, passphrase
     )
-    mnemonic._stop_progress()
+    if progress_bar:
+        mnemonic._stop_progress()
     return master_secret