diff --git a/src/codegen/main.rs b/src/codegen/main.rs
index 20cd469017a..2f41148871d 100644
--- a/src/codegen/main.rs
+++ b/src/codegen/main.rs
@@ -24,13 +24,13 @@ fn main() {
             // TODO: maybe not 0777?
             mkdir_recursive(&output_dir, 0b111_111_111);
 
-            match args[1] {
-                ~"keycode.rs" => keycode::generate(&output_dir),
-                ~"scancode.rs" => scancode::generate(&output_dir),
-                s => {
-                    println!("unknown thing-to-generate '{}'", s);
-                    os::set_exit_status(1);
-                }
+            if args[1] == ~"keycode.rs" {
+                keycode::generate(&output_dir);
+            } else if args[1] == ~"scancode.rs" {
+                scancode::generate(&output_dir);
+            } else {
+                println!("unknown thing-to-generate '{}'", args[1]);
+                os::set_exit_status(1);
             }
         },
         _ => {