diff --git a/src/dvb/dvb_tables.c b/src/dvb/dvb_tables.c
index db59f811..126b78f8 100644
--- a/src/dvb/dvb_tables.c
+++ b/src/dvb/dvb_tables.c
@@ -351,7 +351,7 @@ dvb_sdt_callback(th_dvb_mux_instance_t *tdmi, uint8_t *ptr, int len,
   } else {
     LIST_FOREACH(tdmi, &tda->tda_muxes, tdmi_adapter_link)
       if(tdmi->tdmi_transport_stream_id == tsid &&
-         tdmi->tdmi_network_id != onid)
+         tdmi->tdmi_network_id == onid)
         break;
     if (!tdmi) return -1;
   }