diff --git a/ui/voip_calls.c b/ui/voip_calls.c
index 371b5ebfb5..9fa3c00e01 100644
--- a/ui/voip_calls.c
+++ b/ui/voip_calls.c
@@ -2306,7 +2306,7 @@ h245dg_calls_packet(void *tap_offset_ptr, packet_info *pinfo, epan_dissect_t *ed
            tunnel OFF but we did not matched the h245 add, in this case nobady will set this label
            since the frame_num will not match */
 
-        h245_add_label(tapinfo, pinfo->num, (gchar *) pi->frame_label, (gchar *) pi->comment);
+        h245_add_label(tapinfo, pinfo->num, pi->frame_label, pi->comment);
     }
 
     tapinfo->redraw |= REDRAW_H245DG;