diff --git a/chemistry/chemistry-atompub-server/src/main/java/org/apache/chemistry/atompub/server/CMISServiceResponse.java b/chemistry/chemistry-atompub-server/src/main/java/org/apache/chemistry/atompub/server/CMISServiceResponse.java
index 1944d2c..e64476d 100644
--- a/chemistry/chemistry-atompub-server/src/main/java/org/apache/chemistry/atompub/server/CMISServiceResponse.java
+++ b/chemistry/chemistry-atompub-server/src/main/java/org/apache/chemistry/atompub/server/CMISServiceResponse.java
@@ -73,6 +73,7 @@
         }
         sw.endService();
         sw.endDocument();
+        sw.flush();
     }
 
     public static class RepositoryInfoWriter {