diff --git a/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c b/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c
index 2676714175a095ad8c9839903af252f9eecac53d..afecb716fb0a405ea792a29e89bd4498284b8337 100644
--- a/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c
+++ b/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c
@@ -74,7 +74,7 @@ const pb_field_t grpc_lb_v1_LoadBalanceResponse_fields[3] = {
 
 const pb_field_t grpc_lb_v1_InitialLoadBalanceResponse_fields[3] = {
     PB_FIELD(  1, STRING  , OPTIONAL, STATIC  , FIRST, grpc_lb_v1_InitialLoadBalanceResponse, load_balancer_delegate, load_balancer_delegate, 0),
-    PB_FIELD(  3, MESSAGE , OPTIONAL, STATIC  , OTHER, grpc_lb_v1_InitialLoadBalanceResponse, client_stats_report_interval, load_balancer_delegate, &grpc_lb_v1_Duration_fields),
+    PB_FIELD(  2, MESSAGE , OPTIONAL, STATIC  , OTHER, grpc_lb_v1_InitialLoadBalanceResponse, client_stats_report_interval, load_balancer_delegate, &grpc_lb_v1_Duration_fields),
     PB_LAST_FIELD
 };
 
diff --git a/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h b/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h
index 4f1031ec7bc4804e16a2fe0cbe7d777a65b7b939..53fed22bae008d8cec267cec623f72827e4891ad 100644
--- a/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h
+++ b/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h
@@ -146,7 +146,7 @@ typedef struct _grpc_lb_v1_LoadBalanceResponse {
 #define grpc_lb_v1_Server_load_balance_token_tag 3
 #define grpc_lb_v1_Server_drop_request_tag       4
 #define grpc_lb_v1_InitialLoadBalanceResponse_load_balancer_delegate_tag 1
-#define grpc_lb_v1_InitialLoadBalanceResponse_client_stats_report_interval_tag 3
+#define grpc_lb_v1_InitialLoadBalanceResponse_client_stats_report_interval_tag 2
 #define grpc_lb_v1_LoadBalanceRequest_initial_request_tag 1
 #define grpc_lb_v1_LoadBalanceRequest_client_stats_tag 2
 #define grpc_lb_v1_ServerList_servers_tag        1
diff --git a/src/proto/grpc/lb/v1/load_balancer.proto b/src/proto/grpc/lb/v1/load_balancer.proto
index b4a33f33389676e43bc8531593f594f64abf80b8..210fba1323ebd8b86d3afce50b3db825518561f8 100644
--- a/src/proto/grpc/lb/v1/load_balancer.proto
+++ b/src/proto/grpc/lb/v1/load_balancer.proto
@@ -101,7 +101,7 @@ message InitialLoadBalanceResponse {
   // This interval defines how often the client should send the client stats
   // to the load balancer. Stats should only be reported when the duration is
   // positive.
-  Duration client_stats_report_interval = 3;
+  Duration client_stats_report_interval = 2;
 }
 
 message ServerList {