diff --git a/ddbridge/ddbridge-modulator.c b/ddbridge/ddbridge-modulator.c
index 0a00a30..5514849 100644
--- a/ddbridge/ddbridge-modulator.c
+++ b/ddbridge/ddbridge-modulator.c
@@ -1541,7 +1541,10 @@ static int mod_prop_proc(struct ddb_mod *mod, struct dtv_property *tvp)
 		return mod_set_attenuator(mod->port->dev, tvp->u.data);
 
 	case MODULATOR_INPUT_BITRATE:
-		return mod_set_ibitrate(mod, ((u64)tvp->u.data) << 32);
+		if ((tvp->u.data64 & 0xFFFFFFFF00000000ULL) == 0)
+			return mod_set_ibitrate(mod, ((u64)tvp->u.data) << 32);
+		else
+			return mod_set_ibitrate(mod, tvp->u.data64);
 
 	case MODULATOR_GAIN:
 		if (mod->port->dev->link[0].info->version == 2)