diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/network/KeyTransferInteractor.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/network/KeyTransferInteractor.java
index e5ebcef40..2d92e6249 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/network/KeyTransferInteractor.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/network/KeyTransferInteractor.java
@@ -413,6 +413,16 @@ public class KeyTransferInteractor {
             this.presharedKey = presharedKey;
         }
 
+        @Override
+        public String chooseClientKeyIdentity(String identityHint, Socket socket) {
+            return identityHint;
+        }
+
+        @Override
+        public String chooseClientKeyIdentity(String identityHint, SSLEngine engine) {
+            return identityHint;
+        }
+
         @Override
         public SecretKey getKey(String identityHint, String identity, Socket socket) {
             return new SecretKeySpec(presharedKey, "AES");