diff --git a/src/main/java/org/olat/course/nodes/ms/MSConfigController.java b/src/main/java/org/olat/course/nodes/ms/MSConfigController.java
index 1778ce1cb045b4a5de92e13ded8b59a69a466f75..d862b9f3477867647db2be6cc1b0deb71f558516 100644
--- a/src/main/java/org/olat/course/nodes/ms/MSConfigController.java
+++ b/src/main/java/org/olat/course/nodes/ms/MSConfigController.java
@@ -525,6 +525,11 @@ public class MSConfigController extends FormBasicController {
 	}
 
 	private void doCalculateMinMax() {
+		if (formEntry == null) {
+			formMinMax = MinMax.of(Float.valueOf(0), Float.valueOf(0));
+			return;
+		};
+		
 		String scoreKey = scoreEl != null && scoreEl.isOneSelected()
 				? scoreEl.getSelectedKey()
 				: config.getStringValue(MSCourseNode.CONFIG_KEY_SCORE);