diff --git a/src/engine/targets.rs b/src/engine/targets.rs
index b93ff80..109b011 100644
--- a/src/engine/targets.rs
+++ b/src/engine/targets.rs
@@ -85,8 +85,10 @@ pub fn refresh_zone_runtime_target(zone: &mut Zone, schedules: &[Schedule], hous
         return;
     }
 
-    zone.effective_mode = configured_mode;
+    // Resolve the target while `target_mode` may still borrow `configured_mode`.
+    // After this call the borrow ends, so `configured_mode` can be moved into the runtime state.
     let (preset, target) = resolve_zone_target(zone, schedule, target_mode);
+    zone.effective_mode = configured_mode;
     zone.active_preset = preset;
     zone.effective_setpoint = Some(target);
 }