diff --git a/src/main/java/org/asamk/Signal.java b/src/main/java/org/asamk/Signal.java
index 0d2f91c2..79bf0172 100644
--- a/src/main/java/org/asamk/Signal.java
+++ b/src/main/java/org/asamk/Signal.java
@@ -21,9 +21,11 @@ public interface Signal extends DBusInterface {
 
     String getContactName(String number);
 
+    void setContactName(String number, String name);
+
     String getGroupName(byte[] groupId);
 
-    void setContactName(String number, String name);
+    List<String> getGroupMembers(byte[] groupId);
 
     void updateGroup(byte[] groupId, String name, List<String> members, String avatar) throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException;
 
diff --git a/src/main/java/org/asamk/signal/Manager.java b/src/main/java/org/asamk/signal/Manager.java
index 40e0623e..6fcedb5a 100644
--- a/src/main/java/org/asamk/signal/Manager.java
+++ b/src/main/java/org/asamk/signal/Manager.java
@@ -785,11 +785,6 @@ class Manager implements Signal {
         }
     }
 
-    @Override
-    public String getGroupName(byte[] groupId) {
-        return getGroup(groupId).name;
-    }
-
     @Override
     public void setContactName(String number, String name) {
         ContactInfo contact = contactStore.getContact(number);
@@ -805,6 +800,16 @@ class Manager implements Signal {
         save();
     }
 
+    @Override
+    public String getGroupName(byte[] groupId) {
+        return getGroup(groupId).name;
+    }
+
+    @Override
+    public List<String> getGroupMembers(byte[] groupId) {
+        return new ArrayList<String>(getGroup(groupId).members);
+    }
+
     @Override
     public void updateGroup(byte[] groupId, String name, List<String> members, String avatar) throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException {
         String optName = null;