diff --git a/libagent/device/ui.py b/libagent/device/ui.py
index 4006fec..fd069d6 100644
--- a/libagent/device/ui.py
+++ b/libagent/device/ui.py
@@ -40,7 +40,7 @@ class UI:
             binary=self.pin_entry_binary,
             options=self.options_getter())
 
-    def get_passphrase(self):
+    def get_passphrase(self, prompt='Passphrase:'):
         """Ask the user for passphrase."""
         passphrase = None
         if self.cached_passphrase_ack:
@@ -48,7 +48,7 @@ class UI:
         if passphrase is None:
             passphrase = interact(
                 title='{} passphrase'.format(self.device_name),
-                prompt='Passphrase:',
+                prompt=prompt,
                 description=None,
                 binary=self.passphrase_entry_binary,
                 options=self.options_getter())
diff --git a/libagent/gpg/agent.py b/libagent/gpg/agent.py
index 9ca2484..d7b3837 100644
--- a/libagent/gpg/agent.py
+++ b/libagent/gpg/agent.py
@@ -118,8 +118,8 @@ class Handler:
 
     def handle_get_passphrase(self, conn, _):
         """Allow simple GPG symmetric encryption (using a passphrase)."""
-        p1 = self.client.device.ui.get_passphrase('Symmetric encryption')
-        p2 = self.client.device.ui.get_passphrase('Re-enter encryption')
+        p1 = self.client.device.ui.get_passphrase('Symmetric encryption:')
+        p2 = self.client.device.ui.get_passphrase('Re-enter encryption:')
         if p1 == p2:
             result = b'D ' + util.assuan_serialize(p1.encode('ascii'))
             keyring.sendline(conn, result, confidential=True)