diff --git a/server/src/forecast.mjs b/server/src/forecast.mjs
index cb045a1..900350e 100644
--- a/server/src/forecast.mjs
+++ b/server/src/forecast.mjs
@@ -232,12 +232,11 @@ function summarise(slots) {
 }
 
 export async function getForecast() {
-	if(Date.now() - lastForecast.ts >= TTL) {
-		const sensors = await queryCurrent().catch(() => null)
-		if(!sensors) return lastForecast
-		const slots = await get24HourForecast(sensors).catch(() => null)
-		if(!slots) return lastForecast
-		lastForecast = { ts: Date.now(), slots, summary: summarise(slots) }
-	}
+	if(Date.now() - lastForecast.ts < TTL) return lastForecast;
+	const sensors = await queryCurrent().catch(() => null)
+	if(!sensors) return lastForecast
+	const slots = await get24HourForecast(sensors).catch(() => null)
+	if(!slots) return lastForecast
+	lastForecast = { ts: Date.now(), slots, summary: summarise(slots) }
 	return lastForecast
 }