diff --git a/telemetry.proto b/telemetry.proto
index 56e83c7..03038a3 100644
--- a/telemetry.proto
+++ b/telemetry.proto
@@ -18,7 +18,7 @@ message Telemetry {
   /*
    * 1-100 (0 means powered)
    */
-  int32 battery_level = 2;
+  uint32 battery_level = 2;
 
   /*
    * Utilization for the current channel, including well formed TX, RX and malformed RX (aka noise).