diff --git a/src/twc-chat.c b/src/twc-chat.c
index 9d270ad..2a021a7 100644
--- a/src/twc-chat.c
+++ b/src/twc-chat.c
@@ -273,11 +273,15 @@ twc_chat_send_message(struct t_twc_chat *chat,
         twc_message_queue_add_friend_message(chat->profile,
                                              chat->friend_number,
                                              message, message_type);
+        char *name = twc_get_self_name_nt(chat->profile->tox);
+        twc_chat_print_message(chat, "", name, message, message_type);
+        free(name);
+    }
+    else if (chat->group_number >= 0)
+    {
+        tox_group_message_send(chat->profile->tox, chat->group_number,
+                               (uint8_t *)message, strlen(message));
     }
-
-    char *name = twc_get_self_name_nt(chat->profile->tox);
-    twc_chat_print_message(chat, "", name, message, message_type);
-    free(name);
 }
 
 /**
diff --git a/src/twc-group-invite.c b/src/twc-group-invite.c
index 2d24b03..4fd2f2b 100644
--- a/src/twc-group-invite.c
+++ b/src/twc-group-invite.c
@@ -37,7 +37,7 @@
 int
 twc_group_chat_invite_add(struct t_twc_profile *profile,
                           int32_t friend_number,
-                          const uint8_t *data,
+                          uint8_t *data,
                           size_t size)
 {
     // create a new invite object
@@ -46,9 +46,12 @@ twc_group_chat_invite_add(struct t_twc_profile *profile,
     if (!invite)
         return -1;
 
+    uint8_t *data_copy = malloc(size);
+    memcpy(data_copy, data, size);
+
     invite->profile = profile;
     invite->friend_number = friend_number;
-    invite->data = data;
+    invite->data = data_copy;
     invite->data_size = size;
 
     twc_list_item_new_data_add(profile->group_chat_invites, invite);
@@ -98,6 +101,7 @@ twc_group_chat_invite_with_index(struct t_twc_profile *profile,
 void
 twc_group_chat_invite_free(struct t_twc_group_chat_invite *invite)
 {
+    free(invite->data);
     free(invite);
 }
 
diff --git a/src/twc-group-invite.h b/src/twc-group-invite.h
index d1d7124..edd3838 100644
--- a/src/twc-group-invite.h
+++ b/src/twc-group-invite.h
@@ -34,14 +34,14 @@ struct t_twc_group_chat_invite
     struct t_twc_profile *profile;
 
     int32_t friend_number;
-    const uint8_t *data;
+    uint8_t *data;
     size_t data_size;
 };
 
 int
 twc_group_chat_invite_add(struct t_twc_profile *profile,
                           int32_t friend_number,
-                          const uint8_t *data,
+                          uint8_t *data,
                           size_t size);
 
 int
diff --git a/src/twc-tox-callbacks.c b/src/twc-tox-callbacks.c
index 4cce32b..51492ea 100644
--- a/src/twc-tox-callbacks.c
+++ b/src/twc-tox-callbacks.c
@@ -250,7 +250,8 @@ twc_group_invite_callback(Tox *tox,
 {
     struct t_twc_profile *profile = data;
 
-    int64_t rc = twc_group_chat_invite_add(profile, friend_number, invite_data, length);
+    int64_t rc = twc_group_chat_invite_add(profile, friend_number,
+                                           (uint8_t *)invite_data, length);
 
     char *friend_name = twc_get_name_nt(profile->tox, friend_number);
     weechat_printf(profile->buffer,
@@ -259,7 +260,6 @@ twc_group_invite_callback(Tox *tox,
                    weechat_prefix("network"),
                    friend_name, rc);
 
-
     free(friend_name);
 }