diff --git a/package.json b/package.json
index d49407e8d9..70c24b56f4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "misskey",
-	"version": "12.118.1-calc.10.3",
+	"version": "12.118.1-calc.11",
 	"codename": "aqua",
 	"repository": {
 		"type": "git",
diff --git a/packages/client/src/pages/timeline.vue b/packages/client/src/pages/timeline.vue
index a3a2150042..b22df62853 100644
--- a/packages/client/src/pages/timeline.vue
+++ b/packages/client/src/pages/timeline.vue
@@ -285,7 +285,7 @@ if (isMobile.value) {
 				console.log('left swipe');
 				next =
 					timelines[
-						(timelines.indexOf(src) + 1) % timelines.length
+						(timelines.indexOf(src) - 1) % timelines.length
 					];
 			}
 			saveSrc(next);