diff --git a/include/utils/BackupHelpers.h b/include/utils/BackupHelpers.h
index 1d0daa7..f60f4ea 100644
--- a/include/utils/BackupHelpers.h
+++ b/include/utils/BackupHelpers.h
@@ -128,6 +128,7 @@
 int backup_helper_test_four();
 int backup_helper_test_files();
 int backup_helper_test_null_base();
+int backup_helper_test_missing_file();
 int backup_helper_test_data_writer();
 int backup_helper_test_data_reader();
 #endif