fix argument handling for “dump” subcommand

D’oh!

1 files changed, 2 insertions, 2 deletions

diff --git a/src/vtcol.rs b/src/vtcol.rs
index 5f9cc17..3b8f59a 100644
--- a/src/vtcol.rs
+++ b/src/vtcol.rs
@@ -276,7 +276,7 @@ impl<'a> Job
                         .help("name of the scheme")
                         .required(true)
                         .value_name("NAME")
-                        .index(1),
+                        .takes_value(true)
                 ),
             )
             .subcommand(
@@ -336,7 +336,7 @@ impl<'a> Job
 
         match matches.subcommand() {
             ("dump", Some(subm)) => {
-                if let Some(name) = subm.value_of("name") {
+                if let Some(name) = subm.value_of("scheme") {
                     let scm = Scheme::from(name);
                     return Ok(Self::Dump(scm));
                 }