diff --git a/internal/backend/basicstation/structs/radio_meta_data.go b/internal/backend/basicstation/structs/radio_meta_data.go
index 95c94edb..64725eb5 100644
--- a/internal/backend/basicstation/structs/radio_meta_data.go
+++ b/internal/backend/basicstation/structs/radio_meta_data.go
@@ -80,7 +80,7 @@ func SetRadioMetaDataToProto(loraBand band.Band, gatewayID lorawan.EUI64, rmd Ra
 	if rxTime := rmd.UpInfo.RxTime; rxTime != 0 {
 		sec, nsec := math.Modf(rmd.UpInfo.RxTime)
 		if sec != 0 {
-			val := time.Unix(int64(sec), int64(nsec))
+			val := time.Unix(int64(sec), int64(nsec*1e9))
 			pb.RxInfo.GwTime = timestamppb.New(val)
 		}
 	}