diff --git a/src/intel/tools/aubinator_error_decode.c b/src/intel/tools/aubinator_error_decode.c
index 6d9ead5338e..b7bdd88de2f 100644
--- a/src/intel/tools/aubinator_error_decode.c
+++ b/src/intel/tools/aubinator_error_decode.c
@@ -783,6 +783,9 @@ main(int argc, char *argv[])
       case 'x':
          xml_path = strdup(optarg);
          break;
+      case '?':
+         print_help(argv[0], stderr);
+         exit(EXIT_FAILURE);
       default:
          break;
       }