diff --git a/rt/rs/extensions/json-basic/src/main/java/org/apache/cxf/jaxrs/json/basic/JsonMapObjectReaderWriter.java b/rt/rs/extensions/json-basic/src/main/java/org/apache/cxf/jaxrs/json/basic/JsonMapObjectReaderWriter.java
index a88e9bb2115..88445b17e68 100644
--- a/rt/rs/extensions/json-basic/src/main/java/org/apache/cxf/jaxrs/json/basic/JsonMapObjectReaderWriter.java
+++ b/rt/rs/extensions/json-basic/src/main/java/org/apache/cxf/jaxrs/json/basic/JsonMapObjectReaderWriter.java
@@ -49,7 +49,7 @@ public class JsonMapObjectReaderWriter {
         chars.add('/');
         chars.add('b');
         chars.add('f');
-        chars.add('h');
+        chars.add('n');
         chars.add('r');
         chars.add('t');
         ESCAPED_CHARS = Collections.unmodifiableSet(chars);