diff --git a/apps/base64.cpp b/apps/base64.cpp
index d8fbd57f..83390a40 100644
--- a/apps/base64.cpp
+++ b/apps/base64.cpp
@@ -12,7 +12,7 @@ Result<int> luna_main(int argc, char** argv)
     parser.add_description("Encode or decode Base64 data. If not given a file, reads from standard input.");
     parser.add_positional_argument(path, "file", "-"_sv);
     parser.add_switch_argument(decode, 'd', "decode", "decode data");
-    parser.add_switch_argument(allow_garbage, ' ', "allow-garbage", "ignore non-base64 characters");
+    parser.add_switch_argument(allow_garbage, 'i', "ignore-garbage", "when decoding, ignore non-base64 characters");
     parser.parse(argc, argv);
 
     auto file = TRY(os::File::open_input_file(path));