diff --git a/jOOQ/src/main/java/org/jooq/util/jaxb/tools/MiniJAXB.java b/jOOQ/src/main/java/org/jooq/util/jaxb/tools/MiniJAXB.java
index ee1671ba3a..adfbf4735d 100644
--- a/jOOQ/src/main/java/org/jooq/util/jaxb/tools/MiniJAXB.java
+++ b/jOOQ/src/main/java/org/jooq/util/jaxb/tools/MiniJAXB.java
@@ -147,6 +147,7 @@ public final class MiniJAXB {
                 builder.append(object);
 
             builder.appendTo(out);
+            out.flush();
         }
         catch (Exception e) {
             throw new ConfigurationException("Cannot print object", e);