diff --git a/core/src/main/java/org/bitcoinj/wallet/BasicKeyChain.java b/core/src/main/java/org/bitcoinj/wallet/BasicKeyChain.java
index 6ef128f6..e71c018f 100644
--- a/core/src/main/java/org/bitcoinj/wallet/BasicKeyChain.java
+++ b/core/src/main/java/org/bitcoinj/wallet/BasicKeyChain.java
@@ -18,6 +18,7 @@ package org.bitcoinj.wallet;
 
 import org.bitcoinj.core.BloomFilter;
 import org.bitcoinj.core.ECKey;
+import org.bitcoinj.core.NetworkParameters;
 import org.bitcoinj.crypto.*;
 import org.bitcoinj.utils.ListenerRegistration;
 import org.bitcoinj.utils.Threading;
@@ -618,4 +619,13 @@ public class BasicKeyChain implements EncryptableKeyChain {
             lock.unlock();
         }
     }
+
+    public String toString(boolean includePrivateKeys, @Nullable KeyParameter aesKey, NetworkParameters params) {
+        final StringBuilder builder = new StringBuilder();
+        List<ECKey> keys = getKeys();
+        Collections.sort(keys, ECKey.AGE_COMPARATOR);
+        for (ECKey key : keys)
+            key.formatKeyWithAddress(includePrivateKeys, aesKey, builder, params);
+        return builder.toString();
+    }
 }
diff --git a/core/src/main/java/org/bitcoinj/wallet/KeyChainGroup.java b/core/src/main/java/org/bitcoinj/wallet/KeyChainGroup.java
index d439d483..5aae7af6 100644
--- a/core/src/main/java/org/bitcoinj/wallet/KeyChainGroup.java
+++ b/core/src/main/java/org/bitcoinj/wallet/KeyChainGroup.java
@@ -814,12 +814,8 @@ public class KeyChainGroup implements KeyBag {
 
     public String toString(boolean includePrivateKeys, @Nullable KeyParameter aesKey) {
         final StringBuilder builder = new StringBuilder();
-        if (basic != null) {
-            List<ECKey> keys = basic.getKeys();
-            Collections.sort(keys, ECKey.AGE_COMPARATOR);
-            for (ECKey key : keys)
-                key.formatKeyWithAddress(includePrivateKeys, aesKey, builder, params);
-        }
+        if (basic != null)
+            builder.append(basic.toString(includePrivateKeys, aesKey, params));
         for (DeterministicKeyChain chain : chains)
             builder.append(chain.toString(includePrivateKeys, aesKey, params)).append('\n');
         return builder.toString();