diff --git a/web/_js/time.js b/web/_js/time.js
index 540dfcde..46b52394 100644
--- a/web/_js/time.js
+++ b/web/_js/time.js
@@ -287,7 +287,7 @@ function formatPeriod(start, end, variation) {
 		} 
 		else periodString = start
 	}
-	if (end > start) [start, end] = [end, start]
+	if (start > end) [start, end] = [end, start]
 	else periodString = start + "-" + end
 	if (periodString && variationString) return variationsConfig[variation].code + ":" + periodString
 	if (variationString) return variationString