diff --git a/exercises/variables/variables6.rs b/exercises/variables/variables6.rs
index a8520122..5021721f 100644
--- a/exercises/variables/variables6.rs
+++ b/exercises/variables/variables6.rs
@@ -1,9 +1,7 @@
 // variables6.rs
 // Execute `rustlings hint variables6` or use the `hint` watch subcommand for a hint.
 
-// I AM NOT DONE
-
-const NUMBER = 3;
+const NUMBER: u32 = 3;
 fn main() {
     println!("Number {}", NUMBER);
 }