diff --git a/exercises/variables/variables2.rs b/exercises/variables/variables2.rs
index 641aeb8e..e5e4983d 100644
--- a/exercises/variables/variables2.rs
+++ b/exercises/variables/variables2.rs
@@ -4,7 +4,7 @@
 // I AM NOT DONE
 
 fn main() {
-    let x;
+    let x: u32 = 10;
     if x == 10 {
         println!("x is ten!");
     } else {