diff --git a/src/main/kotlin/io/emeraldpay/dshackle/GrpcServer.kt b/src/main/kotlin/io/emeraldpay/dshackle/GrpcServer.kt
index 65406c21..d7cdfc4a 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/GrpcServer.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/GrpcServer.kt
@@ -71,7 +71,8 @@ open class GrpcServer(
             ExecutorServiceMetrics.monitor(
                 Metrics.globalRegistry,
                 Executors.newFixedThreadPool(20, ThreadFactoryBuilder().setNameFormat("fixed-grpc-%d").build()),
-                "fixed-grpc-executor"
+                "fixed-grpc-executor",
+                "grpc_"
             )
 
         )