diff --git a/src/deck/drivers/src/lpsTdoa3Tag.c b/src/deck/drivers/src/lpsTdoa3Tag.c
index 4c41f91f57..ed0edd5710 100644
--- a/src/deck/drivers/src/lpsTdoa3Tag.c
+++ b/src/deck/drivers/src/lpsTdoa3Tag.c
@@ -525,7 +525,7 @@ static int updateRemoteData(anchorInfo_t* anchorCtx, const rangePacket3_t* packe
     }
   }
 
-  return anchorDataPtr - (void*)packet;
+  return (uint8_t*)anchorDataPtr - (uint8_t*)packet;
 }
 
 static void updateAnchorData(anchorInfo_t* anchorCtx, const rangePacket3_t* packet, const dwTime_t* arrival) {