diff --git a/cmd/npc/npc.go b/cmd/npc/npc.go
index da29a05..ea1a5ec 100644
--- a/cmd/npc/npc.go
+++ b/cmd/npc/npc.go
@@ -114,7 +114,7 @@ func main() {
 			}
 			err := service.Control(s, os.Args[1])
 			if err != nil {
-				logs.Error("Valid actions: %q\n", service.ControlAction, err.Error())
+				logs.Error("Valid actions: %q\n%s", service.ControlAction, err.Error())
 			}
 			return
 		}
diff --git a/cmd/nps/nps.go b/cmd/nps/nps.go
index 306da88..36141f0 100644
--- a/cmd/nps/nps.go
+++ b/cmd/nps/nps.go
@@ -94,13 +94,13 @@ func main() {
 			}
 			err = service.Control(s, os.Args[1])
 			if err != nil {
-				logs.Error("Valid actions: %q\n", service.ControlAction, err.Error())
+				logs.Error("Valid actions: %q\n%s", service.ControlAction, err.Error())
 			}
 			return
 		case "start", "restart", "stop", "uninstall":
 			err := service.Control(s, os.Args[1])
 			if err != nil {
-				logs.Error("Valid actions: %q\n", service.ControlAction, err.Error())
+				logs.Error("Valid actions: %q\n%s", service.ControlAction, err.Error())
 			}
 			return
 		case "update":