diff --git a/src/main/java/org/olat/course/nodes/cl/ui/CheckListConfigurationController.java b/src/main/java/org/olat/course/nodes/cl/ui/CheckListConfigurationController.java
index 3ec5013fae2a7fa7b0c2cdb137ab64d73d8222df..7f018e8a03a5c031e8ca754f85e290c3f1a57ae9 100644
--- a/src/main/java/org/olat/course/nodes/cl/ui/CheckListConfigurationController.java
+++ b/src/main/java/org/olat/course/nodes/cl/ui/CheckListConfigurationController.java
@@ -356,7 +356,7 @@ public class CheckListConfigurationController extends FormBasicController {
 		
 		dueDateChooserEl.clearError();
 		if(dueDateEl.isAtLeastSelected(1)) {
-			if (dueDateChooserEl.isEmpty()) {
+			if (!wizard && dueDateChooserEl.isEmpty()) {
 				dueDateChooserEl.setErrorKey("form.error.date", null);
 				allOk &= false;
 			}