diff --git a/module/move/unilang/tests/arg_list_issue.rs b/module/move/unilang/tests/arg_list_issue.rs
new file mode 100644
index 0000000000..87d89f68f5
--- /dev/null
+++ b/module/move/unilang/tests/arg_list_issue.rs
@@ -0,0 +1,56 @@
+use unilang::prelude::*;
+use unilang::ValidationRule;
+use unilang_parser::{ Parser, UnilangParserOptions };
+
+#[ test ]
+fn arg_list_test() -> Result< (), unilang::Error >
+{
+  let mut registry = CommandRegistry::new();
+
+  let arg = ArgumentDefinition::former()
+  .description( "Defines hex to place a castle to." )
+  .name( "coord" )
+  .hint( "" )
+  .aliases( vec![] )
+  .tags( vec![] )
+  .kind( Kind::List( Box::new( Kind::Integer ), None ) )
+  .validation_rules( vec![ ValidationRule::MinItems( 2 ) ] )
+  .end();
+
+  let buy_castle_def = CommandDefinition::former()
+  .name( ".buy_castle" )
+  .namespace( ".region" )
+  .hint( "Puts a castle to hex" )
+  .status( "stable" )
+  .version( "1.0.0" )
+  .arguments( vec![ arg ] )
+  .end();
+
+  let routine = Box::new
+  (
+    | _cmd, _ctx |
+    {
+      Ok
+      (
+        OutputData
+        {
+          content : "".to_string(),
+          format : "".to_string(),
+        }
+      )
+    }
+  );
+  registry.command_add_runtime( &buy_castle_def, routine )?;
+
+  let parser = Parser::new( UnilangParserOptions::default() );
+
+  let input = ".region.buy_castle 1 1";
+  let instructions = [ parser.parse_single_instruction( input ).map_err( unilang::Error::from )? ];
+  let semantic_analyzer = unilang::semantic::SemanticAnalyzer::new( &instructions[ .. ], &registry );
+  let commands = semantic_analyzer.analyze()?;
+  let interpreter = unilang::interpreter::Interpreter::new( &commands, &registry );
+  let mut context = unilang::interpreter::ExecutionContext::default();
+  interpreter.run( &mut context )?;
+
+  Ok( () )
+}