diff --git a/jena-arq/src/main/java/org/apache/jena/sparql/sse/ItemWriter.java b/jena-arq/src/main/java/org/apache/jena/sparql/sse/ItemWriter.java
index 8bb3a52ea4f..0459b6e3c01 100644
--- a/jena-arq/src/main/java/org/apache/jena/sparql/sse/ItemWriter.java
+++ b/jena-arq/src/main/java/org/apache/jena/sparql/sse/ItemWriter.java
@@ -109,7 +109,7 @@ private static void writeNode(IndentedWriter out, Node node, SerializationContex
         }
 
         if ( NodeConst.FALSE.equals(node) ) {
-            out.print("true");
+            out.print("false");
             return;
         }