diff --git a/backend/src/routes/workforce.js b/backend/src/routes/workforce.js
index d43d97f..8404e29 100644
--- a/backend/src/routes/workforce.js
+++ b/backend/src/routes/workforce.js
@@ -68,11 +68,11 @@ export async function workforceRoutes(app) {
 
       // Build a row for every date in the window (empty staff = no one scheduled)
       const dailyRows = []
-      const cur = new Date(fromDate)
-      while (cur <= toDate) {
-        const d = fmtDate(cur)
+      const day = new Date(fromDate)
+      while (day <= toDate) {
+        const d = fmtDate(day)
         dailyRows.push({ date: d, staff: byDate[d] || [] })
-        cur.setDate(cur.getDate() + 1)
+        day.setDate(day.getDate() + 1)
       }
 
       await upsertWorkforceShifts(dailyRows)