diff --git a/proto/spaceone/api/alert_manager/v1/service.proto b/proto/spaceone/api/alert_manager/v1/service.proto
index dc2d9d6aa..e5678e714 100644
--- a/proto/spaceone/api/alert_manager/v1/service.proto
+++ b/proto/spaceone/api/alert_manager/v1/service.proto
@@ -24,7 +24,7 @@ service Service {
     }
     rpc change_members (ServiceChangeMembersRequest) returns (ServiceInfo) {
         option (google.api.http) = {
-            post: "/alert-manager/v1/service/change-member"
+            post: "/alert-manager/v1/service/change-members"
             body: "*"
         };
     }