diff --git a/apm-network/src/main/proto/DiscoveryService.proto b/apm-network/src/main/proto/DiscoveryService.proto
index 337e32e932fc724a086e1fc6b81efcf0e45f024d..e9a986bbe7db8dc00180bce41523eca20d66128a 100644
--- a/apm-network/src/main/proto/DiscoveryService.proto
+++ b/apm-network/src/main/proto/DiscoveryService.proto
@@ -40,11 +40,11 @@ message ServiceNameMappingCollection {
 
 message ServiceNameMappingElement {
     int32 serviceId = 1;
-    ServiceNameElement element = 1;
+    ServiceNameElement element = 2;
 }
 
 message ServiceNameElement {
-    ServiceName = 0;
-    ApplicationCode = 1;
+    string serviceName = 1;
+    string ApplicationCode = 2;
 }
 
diff --git a/apm-network/src/main/proto/RegisterService.proto b/apm-network/src/main/proto/RegisterService.proto
index 109de2bd6c43bfcdaa9b8824f5ddae99c4cfacd4..16978439b0c5b27d9105ea387aae710a144be780 100644
--- a/apm-network/src/main/proto/RegisterService.proto
+++ b/apm-network/src/main/proto/RegisterService.proto
@@ -15,6 +15,6 @@ message Application {
 
 message ApplicationMapping {
     int32 applicationId = 1;
-    Application = 2;
+    Application application = 2;
 }