1 files changed, 1 insertions, 1 deletions

diff --git a/rules.js b/rules.js
index b9923c3..ec0277f 100644
--- a/rules.js
+++ b/rules.js
@@ -419,7 +419,7 @@ function current_season() {
 
 function is_winter() {
 	let season = current_season()
-	return season !== EARLY_WINTER && season !== LATE_WINTER
+	return season === EARLY_WINTER || season === LATE_WINTER
 }
 
 function is_summer() {