diff --git a/apps/system/ubgps/ubgps_internal.c b/apps/system/ubgps/ubgps_internal.c
index 33366a5518aa84e121c4018ed4fef11fd4ae5e82..1b18a89f2075ce44e6ea8b92abc3faa4e76f1e14 100644
--- a/apps/system/ubgps/ubgps_internal.c
+++ b/apps/system/ubgps/ubgps_internal.c
@@ -1199,7 +1199,7 @@ int ubgps_send_aid_ini(struct ubgps_s * const gps)
   UBX_SET_U2(msg, 18, yymm);      /* Year / month */
   UBX_SET_U4(msg, 20, ddhhmmss);  /* Day / hour / minute / seconds (ddhhmmss) */
   UBX_SET_I4(msg, 24, 0);         /* Fractional part of time of week */
-  UBX_SET_U4(msg, 28, 1000);      /* Milliseconds part of time accuracy */
+  UBX_SET_U4(msg, 28, 10000);     /* Milliseconds part of time accuracy */
   UBX_SET_U4(msg, 32, 0);         /* Nanoseconds part of time accuracy */
   UBX_SET_I4(msg, 36, 0);         /* Clock drift or frequency */
   UBX_SET_U4(msg, 40, 0);         /* Accuracy of clock drift or frequency */