diff --git a/src/routes/wish/_summary.svelte b/src/routes/wish/_summary.svelte
index 070470c5..a1c3396d 100644
--- a/src/routes/wish/_summary.svelte
+++ b/src/routes/wish/_summary.svelte
@@ -55,6 +55,8 @@
     console.log('wish summary read local');
     const prefix = getAccountPrefix();
 
+    monthlyData = {};
+
     for (let type of types) {
       const path = `wish-counter-${type.id}`;
       const data = readSave(`${prefix}${path}`);