diff --git a/briar-api/src/net/sf/briar/api/messaging/GroupFactory.java b/briar-api/src/net/sf/briar/api/messaging/GroupFactory.java
index 4d85ed88b..dec240777 100644
--- a/briar-api/src/net/sf/briar/api/messaging/GroupFactory.java
+++ b/briar-api/src/net/sf/briar/api/messaging/GroupFactory.java
@@ -4,5 +4,9 @@ import java.io.IOException;
 
 public interface GroupFactory {
 
+	/** Creates an unrestricted group. */
+	Group createGroup(String name) throws IOException;
+
+	/** Creates a restricted group. */
 	Group createGroup(String name, byte[] publicKey) throws IOException;
 }
diff --git a/briar-core/src/net/sf/briar/messaging/GroupFactoryImpl.java b/briar-core/src/net/sf/briar/messaging/GroupFactoryImpl.java
index 6ceeee6a1..a7cf91f13 100644
--- a/briar-core/src/net/sf/briar/messaging/GroupFactoryImpl.java
+++ b/briar-core/src/net/sf/briar/messaging/GroupFactoryImpl.java
@@ -26,6 +26,10 @@ class GroupFactoryImpl implements GroupFactory {
 		this.writerFactory = writerFactory;
 	}
 
+	public Group createGroup(String name) throws IOException {
+		return createGroup(name, null);
+	}
+
 	public Group createGroup(String name, byte[] publicKey) throws IOException {
 		ByteArrayOutputStream out = new ByteArrayOutputStream();
 		Writer w = writerFactory.createWriter(out);
diff --git a/briar-tests/src/net/sf/briar/ProtocolIntegrationTest.java b/briar-tests/src/net/sf/briar/ProtocolIntegrationTest.java
index 2c400f9ea..fff45ea22 100644
--- a/briar-tests/src/net/sf/briar/ProtocolIntegrationTest.java
+++ b/briar-tests/src/net/sf/briar/ProtocolIntegrationTest.java
@@ -94,7 +94,7 @@ public class ProtocolIntegrationTest extends BriarTestCase {
 		new Random().nextBytes(secret);
 		// Create two groups: one restricted, one unrestricted
 		GroupFactory groupFactory = i.getInstance(GroupFactory.class);
-		group = groupFactory.createGroup("Unrestricted group", null);
+		group = groupFactory.createGroup("Unrestricted group");
 		CryptoComponent crypto = i.getInstance(CryptoComponent.class);
 		KeyPair groupKeyPair = crypto.generateSignatureKeyPair();
 		group1 = groupFactory.createGroup("Restricted group",