diff --git a/nx01-x4o-fc18/src/main/java/org/x4o/fc18/zion7/FourCornerZionStenoLexer.java b/nx01-x4o-fc18/src/main/java/org/x4o/fc18/zion7/FourCornerZionStenoLexer.java
index caa8e72..be5a8e0 100644
--- a/nx01-x4o-fc18/src/main/java/org/x4o/fc18/zion7/FourCornerZionStenoLexer.java
+++ b/nx01-x4o-fc18/src/main/java/org/x4o/fc18/zion7/FourCornerZionStenoLexer.java
@@ -383,7 +383,7 @@ public class FourCornerZionStenoLexer {
 		
 		public StenoScannerWordCakeSlice(FCFlameWordDish course) {
 			super(course.cakePointMin(), course.cakePointMax());
-			this.course = Objects.requireNonNull(course);
+			this.course = course;
 		}
 		
 		@Override