diff --git a/ledger-tool/src/main.rs b/ledger-tool/src/main.rs
index 33e6a9db4..fcc6714bb 100644
--- a/ledger-tool/src/main.rs
+++ b/ledger-tool/src/main.rs
@@ -2305,7 +2305,7 @@ fn main() {
 
                 let snapshot_archive_format = {
                     let archive_format_str =
-                        value_t_or_exit!(matches, "snapshot_archive_format", String);
+                        value_t_or_exit!(arg_matches, "snapshot_archive_format", String);
                     ArchiveFormat::from_cli_arg(&archive_format_str).unwrap_or_else(|| {
                         panic!("Archive format not recognized: {}", archive_format_str)
                     })