diff --git a/src/mod/endpoints/mod_loopback/mod_loopback.c b/src/mod/endpoints/mod_loopback/mod_loopback.c
index c4f9112f92..83f6e0a1b5 100644
--- a/src/mod/endpoints/mod_loopback/mod_loopback.c
+++ b/src/mod/endpoints/mod_loopback/mod_loopback.c
@@ -316,6 +316,8 @@ static switch_status_t channel_on_init(switch_core_session_t *session)
 				switch_channel_set_variable(tech_pvt->other_channel, h->name, h->value);
 			}
 
+			switch_channel_del_variable_prefix(channel, "group_confirm_");
+
 			switch_event_destroy(&vars);
 		}