diff --git a/internal/bbsimctl/commands/onu.go b/internal/bbsimctl/commands/onu.go
index fc89300..8fe4ea8 100644
--- a/internal/bbsimctl/commands/onu.go
+++ b/internal/bbsimctl/commands/onu.go
@@ -181,7 +181,7 @@
 
 	onus, err := client.GetONUs(ctx, &pb.Empty{})
 	if err != nil {
-		log.Fatal("could not get ONUs: %v", err)
+		log.Fatalf("could not get ONUs: %v", err)
 		return nil
 	}