diff --git a/epan/dissectors/packet-dbus.c b/epan/dissectors/packet-dbus.c
index 3947c18c2f..9ee3708fc3 100644
--- a/epan/dissectors/packet-dbus.c
+++ b/epan/dissectors/packet-dbus.c
@@ -1099,7 +1099,7 @@ add_conversation(dbus_packet_t *packet, proto_tree *header_field_tree) {
 	}
 }
 
-void
+static void
 resolve_unique_name(dbus_packet_t *packet, proto_tree *header_field_tree) {
 	proto_item *it;
 	tvbuff_t *tvb = ptvcursor_tvbuff(packet->cursor);