diff --git a/nx01-x4o-fc18/src/test/java/org/x4o/fc18/cake2/gram5/FCDotBIP0039Dash2KTest.java b/nx01-x4o-fc18/src/test/java/org/x4o/fc18/cake2/gram5/FCDotBIP0039Dash2KTest.java
index 953db7d..c45a1b3 100644
--- a/nx01-x4o-fc18/src/test/java/org/x4o/fc18/cake2/gram5/FCDotBIP0039Dash2KTest.java
+++ b/nx01-x4o-fc18/src/test/java/org/x4o/fc18/cake2/gram5/FCDotBIP0039Dash2KTest.java
@@ -48,7 +48,7 @@ public class FCDotBIP0039Dash2KTest {
 		int num = 0;
 		for (String word : words) {
 			String wordEnum = word.toUpperCase();
-			System.out.println(String.format("\tT2048_%04d_%s,", num, wordEnum));
+			System.out.println(String.format("\tT2048__%04d_%s,", num, wordEnum));
 			num++;
 		}
 	}