diff --git a/examples/cpp/custom_payload_pool/CLIParser.hpp b/examples/cpp/custom_payload_pool/CLIParser.hpp
index f40449c35bb..42c81d781e5 100644
--- a/examples/cpp/custom_payload_pool/CLIParser.hpp
+++ b/examples/cpp/custom_payload_pool/CLIParser.hpp
@@ -187,7 +187,7 @@ class CLIParser
                     print_help(EXIT_FAILURE);
                 }
             }
-             else if (arg == "-d" || arg == "--domain")
+            else if (arg == "-d" || arg == "--domain")
             {
                 if (i + 1 < argc)
                 {