diff --git a/source/widgets/weekview/logic.ts b/source/widgets/weekview/logic.ts
index 9423bec..06c8e1f 100644
--- a/source/widgets/weekview/logic.ts
+++ b/source/widgets/weekview/logic.ts
@@ -620,7 +620,7 @@ namespace _zeitbild.frontend_web.widgets.weekview
 												{
 													"extra_classes": (
 														[""]
-														.concat(cell.today ? ["calendar-cell-today"] : [])
+														.concat(cell.today ? ["weekview-cell-today"] : [])
 														.join(" ")
 													),
 													"title": lib_plankton.call.convey(
@@ -792,7 +792,7 @@ namespace _zeitbild.frontend_web.widgets.weekview
 						// do nothing
 					}
 					else {
-						context.querySelectorAll(".calendar-cell-regular").forEach(
+						context.querySelectorAll(".weekview-cell-regular").forEach(
 							(element) => {
 								element.addEventListener(
 									"click",
@@ -822,7 +822,7 @@ namespace _zeitbild.frontend_web.widgets.weekview
 						// do nothing
 					}
 					else {
-						context.querySelectorAll(".calendar-event_entry").forEach(
+						context.querySelectorAll(".weekview-event_entry").forEach(
 							(element) => {
 								element.addEventListener(
 									"click",