diff --git a/anwendung/src/components/CalenderView.jsx b/anwendung/src/components/CalenderView.jsx
index 95e2269..9b8298d 100644
--- a/anwendung/src/components/CalenderView.jsx
+++ b/anwendung/src/components/CalenderView.jsx
@@ -152,6 +152,10 @@ export default function CalenderView(p) {
                 let j = 0;
                 for (let i = Math.round(((new Date(currentYear, 0, currentWeekStartDay) - new Date(currentYear, 0, 0)) / (1000 * 60 * 60 * 24))); i <= Math.round(((new Date(currentYear, 0, currentWeekStartDay + 5) - new Date(currentYear, 0, 0)) / (1000 * 60 * 60 * 24))); i++) {
                     grayedOut[j] = i % Math.round(((new Date(currentYear, 11, 31) - new Date(currentYear, 0, 0)) / (1000 * 60 * 60 * 24))) < semesterStart && semesterEnd && new Date(currentYear, 0, currentWeekStartDay + j).getFullYear() == semesterStartYear || i % Math.round(((new Date(currentYear, 11, 31) - new Date(currentYear, 0, 0)) / (1000 * 60 * 60 * 24))) > semesterEnd && new Date(currentYear, 0, currentWeekStartDay + j).getFullYear() == semesterEndYear
+                    if(new Date(currentYear, 0, currentWeekStartDay + j).getFullYear() < semesterStartYear || new Date(currentYear, 0, currentWeekStartDay + j).getFullYear() > semesterEndYear)
+                    {
+                        grayedOut[j] = true
+                    }
                     j++
                 }
                 for (let i = 0; i < 6; i++) {