diff --git a/sys/dvb/gstdvbsrc.c b/sys/dvb/gstdvbsrc.c
index 1dae30f72a..81b7bf4872 100644
--- a/sys/dvb/gstdvbsrc.c
+++ b/sys/dvb/gstdvbsrc.c
@@ -2065,6 +2065,14 @@ gst_dvbsrc_is_valid_modulation (guint delsys, guint mod)
       if (mod == VSB_8 || mod == VSB_16)
         return TRUE;
       break;
+    case SYS_DVBT:
+      if (mod == QPSK || mod == QAM_16 || mod == QAM_64)
+        return TRUE;
+      break;
+    case SYS_DVBT2:
+      if (mod == QPSK || mod == QAM_16 || mod == QAM_64 || mod == QAM_256)
+        return TRUE;
+      break;
     default:
       GST_FIXME ("No delsys/modulation sanity checks implemented for this "
           "delivery system");