diff --git a/src/main.rs b/src/main.rs
index 3733ac9..211ab08 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -218,9 +218,9 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     let mut hash: HashMap<robot::Position, u32> = HashMap::new();
     create_hash_map(&robot_pool, &mut hash);
 
-    let mut piouff: u32 = 0;
-    while piouff != robot_pool.len() as u32 {
-        for r in robot_pool {
+    loop {
+        let mut piouff: u32 = 0;
+        for mut r in robot_pool {
             if robot::is_piouff(&r) {
                 piouff += 1;
             } else {
@@ -229,6 +229,9 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
             check_map(&r, &world)?;
             check_collisions(&r, &hash)?;
         }
+        if piouff == robot_pool.len() as u32 {
+            break;
+        }
     }
 
     Ok(())