diff --git a/ts/session/messages/outgoing/content/data/group/ClosedGroupChatMessage.ts b/ts/session/messages/outgoing/content/data/group/ClosedGroupChatMessage.ts
index 4bdc144e8..68ab5188f 100644
--- a/ts/session/messages/outgoing/content/data/group/ClosedGroupChatMessage.ts
+++ b/ts/session/messages/outgoing/content/data/group/ClosedGroupChatMessage.ts
@@ -25,6 +25,13 @@ export class ClosedGroupChatMessage extends ClosedGroupMessage {
     return this.getDefaultTTL();
   }
 
+  public dataProto(): SignalService.DataMessage {
+    const messageProto = this.chatMessage.dataProto();
+    messageProto.group = this.groupContext();
+
+    return messageProto;
+  }
+
   protected groupContext(): SignalService.GroupContext {
     // use the parent method to fill id correctly
     const groupContext = super.groupContext();
@@ -32,11 +39,4 @@ export class ClosedGroupChatMessage extends ClosedGroupMessage {
 
     return groupContext;
   }
-
-  protected dataProto(): SignalService.DataMessage {
-    const messageProto = this.chatMessage.dataProto();
-    messageProto.group = this.groupContext();
-
-    return messageProto;
-  }
 }
diff --git a/ts/session/messages/outgoing/content/data/mediumgroup/MediumGroupChatMessage.ts b/ts/session/messages/outgoing/content/data/mediumgroup/MediumGroupChatMessage.ts
index 59d557ab7..035558975 100644
--- a/ts/session/messages/outgoing/content/data/mediumgroup/MediumGroupChatMessage.ts
+++ b/ts/session/messages/outgoing/content/data/mediumgroup/MediumGroupChatMessage.ts
@@ -21,7 +21,7 @@ export class MediumGroupChatMessage extends MediumGroupMessage {
     this.chatMessage = params.chatMessage;
   }
 
-  protected dataProto(): SignalService.DataMessage {
+  public dataProto(): SignalService.DataMessage {
     const messageProto = this.chatMessage.dataProto();
     messageProto.mediumGroupUpdate = super.dataProto().mediumGroupUpdate;