diff --git a/core/src/main/java/net/time4j/PlainTime.java b/core/src/main/java/net/time4j/PlainTime.java
index <HASH>..<HASH> 100644
--- a/core/src/main/java/net/time4j/PlainTime.java
+++ b/core/src/main/java/net/time4j/PlainTime.java
@@ -3415,7 +3415,7 @@ public final class PlainTime
         }
 
         @Override
-        public ChronoEntity<?> preformat(
+        public ChronoValues preformat(
             PlainTime context,
             AttributeQuery attributes
         ) {
adjustment for changed ChronoMerger (3)