diff --git a/public/js/main.js b/public/js/main.js
index 03fdc83..bedf6cb 100644
--- a/public/js/main.js
+++ b/public/js/main.js
@@ -1086,20 +1086,19 @@ async function loadMonthlyView() {
   updateStatistics(entries);
   updateBridgeDaysDisplay();
   
-  // Show/hide PDF export button based on whether last day has complete times
+  // Show/hide PDF export button based on whether the month is complete (in the past)
   const pdfButton = document.getElementById('btnExportPDF');
   const pdfButtonMobile = document.getElementById('btnExportPDFMobile');
   
-  // Check if last day of month has start and end time (and they're different)
-  const lastDayDate = `${displayYear}-${String(displayMonth + 1).padStart(2, '0')}-${String(lastDay).padStart(2, '0')}`;
-  const lastDayEntry = entries.find(e => e.date === lastDayDate);
+  // Check if the displayed month is in the past (not current month or future)
+  const today = new Date();
+  const currentYear = today.getFullYear();
+  const currentMonth = today.getMonth();
   
-  const isLastDayComplete = lastDayEntry && 
-    lastDayEntry.startTime && 
-    lastDayEntry.endTime && 
-    lastDayEntry.startTime !== lastDayEntry.endTime;
+  const isMonthComplete = (displayYear < currentYear) || 
+    (displayYear === currentYear && displayMonth < currentMonth);
   
-  if (isLastDayComplete) {
+  if (isMonthComplete) {
     pdfButton.style.display = '';
     if (pdfButtonMobile) pdfButtonMobile.style.display = '';
   } else {