diff --git a/spec/fixtures/vehicles.tabry b/spec/fixtures/vehicles.tabry
index 9812b11..070df4d 100644
--- a/spec/fixtures/vehicles.tabry
+++ b/spec/fixtures/vehicles.tabry
@@ -8,7 +8,7 @@ desc "Build and control vehicles"
 flag verbose,v "Give more details in output"
 
 sub build {
-  varargs vehicle-types @vehicle-type-arg
+  varargs vehicle-types @vehicle-type
 }
 
 sub list-vehicles
diff --git a/spec/fixtures/vehicles.yaml b/spec/fixtures/vehicles.yaml
index 2e44825..bd7cad1 100644
--- a/spec/fixtures/vehicles.yaml
+++ b/spec/fixtures/vehicles.yaml
@@ -12,7 +12,7 @@ main:
         - name: vehicle-types
           options:
             - type: include
-              value: vehicle-type-arg
+              value: vehicle-type
           varargs: true
     - name: list-vehicles
     - name: move
diff --git a/spec/tabry/options_finder_spec.rb b/spec/tabry/options_finder_spec.rb
index 4e58285..00b2144 100644
--- a/spec/tabry/options_finder_spec.rb
+++ b/spec/tabry/options_finder_spec.rb
@@ -4,6 +4,7 @@
 require_relative "../../lib/tabry/options_finder"
 require_relative "../../lib/tabry/result"
 require_relative "../../lib/tabry/state"
+require_relative "../../lib/tabry/util"
 
 describe Tabry::OptionsFinder do
   let(:config_fixture) { "#{__dir__}/../fixtures/vehicles.yaml" }
@@ -23,6 +24,10 @@
       %w[car bike],
       subs: %w[move go]
     ],
+    "lists options for varargs" => [
+      %w[car bike],
+      subs: %w[build],
+    ],
     "lists both possible args and subs if a subcommand can take either" => [
       %w[x y z subsub],
       subs: %w[sub-with-sub-or-arg]