diff --git a/querydsl-collections/src/main/java/com/mysema/query/grammar/JavaSerializer.java b/querydsl-collections/src/main/java/com/mysema/query/grammar/JavaSerializer.java
index 3a156b6bc..67ce84dfe 100644
--- a/querydsl-collections/src/main/java/com/mysema/query/grammar/JavaSerializer.java
+++ b/querydsl-collections/src/main/java/com/mysema/query/grammar/JavaSerializer.java
@@ -74,9 +74,9 @@ public class JavaSerializer extends BaseSerializer<JavaSerializer>{
         
         String pattern = ops.getPattern(pathType);
         if (parentAsString != null){
-            _append(String.format(pattern, parentAsString, exprAsString));    
+            append(String.format(pattern, parentAsString, exprAsString));    
         }else{
-            _append(String.format(pattern, exprAsString));
+            append(String.format(pattern, exprAsString));
         }        
     }