1 files changed, 1 insertions, 0 deletions
diff --git a/packages/frontend/src/components/global/StackingRouterView.vue b/packages/frontend/src/components/global/StackingRouterView.vue
index 4c56767608..d52dd9b89d 100644
--- a/packages/frontend/src/components/global/StackingRouterView.vue
+++ b/packages/frontend/src/components/global/StackingRouterView.vue
@@ -74,6 +74,7 @@ function mount() {
 }
 
 function back() {
+	if (tabs.value.length <= 1) return; // transitionの関係でタブが1つの状態でbackが呼ばれることがある
 	const prev = tabs.value[tabs.value.length - 2];
 	tabs.value = [...tabs.value.slice(0, tabs.value.length - 1)];
 	router?.replaceByPath(prev.fullPath);