diff --git a/impl/yaml/src/main/java/io/github/mmm/marshall/yaml/impl/YamlReader.java b/impl/yaml/src/main/java/io/github/mmm/marshall/yaml/impl/YamlReader.java
index a1ac95d..63c7081 100644
--- a/impl/yaml/src/main/java/io/github/mmm/marshall/yaml/impl/YamlReader.java
+++ b/impl/yaml/src/main/java/io/github/mmm/marshall/yaml/impl/YamlReader.java
@@ -213,13 +213,11 @@ private void nextToken() {
           return;
         }
         break;
-      case 0:
-        if (!this.reader.hasNext()) {
-          if (this.node.type == null) {
-            setState(StructuredState.DONE);
-          } else {
-            end(null);
-          }
+      case CharStreamScanner.EOS:
+        if (this.node.type == null) {
+          setState(StructuredState.DONE);
+        } else {
+          end(null);
         }
         return;
     }