diff --git a/cmd/admin-router.go b/cmd/admin-router.go
index 59a585e9b..716e15780 100644
--- a/cmd/admin-router.go
+++ b/cmd/admin-router.go
@@ -64,7 +64,7 @@ func registerAdminRouter(router *mux.Router, enableConfigOps, enableIAMOps bool)
 
 	}
 	// Performance command - return performance details based on input type
-	adminV1Router.Methods(http.MethodGet).Path("/performance").HandlerFunc(httpTraceAll(adminAPI.PerfInfoHandler)).Queries("perfType", "{perfType:.*}").Queries("size", "{size:.*}")
+	adminV1Router.Methods(http.MethodGet).Path("/performance").HandlerFunc(httpTraceAll(adminAPI.PerfInfoHandler)).Queries("perfType", "{perfType:.*}")
 
 	// Profiling operations
 	adminV1Router.Methods(http.MethodPost).Path("/profiling/start").HandlerFunc(httpTraceAll(adminAPI.StartProfilingHandler)).
diff --git a/cmd/admin-server-info.go b/cmd/admin-server-info.go
index 6548fcbe3..f5a67f4ba 100644
--- a/cmd/admin-server-info.go
+++ b/cmd/admin-server-info.go
@@ -109,5 +109,6 @@ func getLocalDrivesPerf(endpoints EndpointList, size int64, r *http.Request) mad
 	return madmin.ServerDrivesPerfInfo{
 		Addr: addr,
 		Perf: dps,
+		Size: size,
 	}
 }