diff --git a/src/work-calendar.cpp b/src/work-calendar.cpp
index 6d4f75b..42097ae 100644
--- a/src/work-calendar.cpp
+++ b/src/work-calendar.cpp
@@ -494,7 +494,7 @@ void per_frame(){
                 if (ImGui::BeginTable("Weekdays", 7, ImGuiTableFlags_SizingFixedFit | ImGuiTableFlags_NoHostExtendX | ImGuiTableFlags_Borders)) {
                     int offset = weekday_from_day(year, month, 1);
 
-                    for (int day = 1; day <= days_per_month(2025, month); day++) {
+                    for (int day = 1; day <= days_per_month(year, month); day++) {
                         int weekday = weekday_from_day(year, month, day);
 
                         if (weekday == 0 || day == 1){