diff --git a/src/service/poc_mobile.proto b/src/service/poc_mobile.proto
index 116d4ff7..a900e4e5 100644
--- a/src/service/poc_mobile.proto
+++ b/src/service/poc_mobile.proto
@@ -470,9 +470,9 @@ message radio_reward_v2 {
     // value is 0.0 to 1.0 multiplied by 1000
     uint32 rank_multiplier = 9;
 
-    // is only present if radio is eligible for boosted
-    // rewards and hex is boosted by service provider
-    optional uint32 boosted_multiplier = 10;
+    // set to 0 is radio is ineligible for boosted rewards
+    // or hex is not boosted by service provider
+    uint32 boosted_multiplier = 10;
   }
 
   // Public key of the hotspot of the radio