diff --git a/src/tesla_charge_rate.rs b/src/tesla_charge_rate.rs
index abc4776..65fb5bb 100644
--- a/src/tesla_charge_rate.rs
+++ b/src/tesla_charge_rate.rs
@@ -129,7 +129,7 @@ fn get_control(pl_state: &PlState, charge_state: &ChargeState) -> Option<Interfa
 
 fn valid_rate(rate: i64, other: i64) -> Option<i64> {
     let config = access_config();
-    let new = rate.min(config.max_rate).max(config.min_rate);
+    let new = rate.clamp(config.min_rate, config.max_rate);
     if new == other {
         None
     } else {