diff --git a/planner/src/bin/weekly.rs b/planner/src/bin/weekly.rs
index fc5d033..e6d4d2a 100644
--- a/planner/src/bin/weekly.rs
+++ b/planner/src/bin/weekly.rs
@@ -37,8 +37,8 @@ enum RecipeCategory {
 fn generate_variables<V>(domain: &Domain<V>) -> Vec<(String, &Domain<V>, Option<&V>)> {
     let mut vars = Vec::new();
     for day in &["Lundi", "Mardi", "Mercredi"] {
-       vars.push((Meals::Lunch(String::from(day)).into(), domain, None));
-       vars.push((Meals::Dinner(String::from(day)).into(), domain, None));
+       vars.push((Meals::Lunch(day.to_string()).into(), domain, None));
+       vars.push((Meals::Dinner(day.to_string()).into(), domain, None));
     }
     vars
 }