diff --git a/vpp-api/java/jvpp/gen/util.py b/vpp-api/java/jvpp/gen/util.py
index 12c8bc3..f22132d 100644
--- a/vpp-api/java/jvpp/gen/util.py
+++ b/vpp-api/java/jvpp/gen/util.py
@@ -124,7 +124,7 @@
 # http://docs.oracle.com/javase/7/docs/technotes/guides/jni/spec/types.html
 vpp_2_jni_type_mapping = {'u8': 'jbyte',  # fixme
                           'i8': 'jbyte',
-                          'u16': 'jchar',
+                          'u16': 'jshort',
                           'i16': 'jshort',
                           'u32': 'jint',  # fixme
                           'i32': 'jint',
@@ -192,4 +192,4 @@
 
 def add_notification_suffix(camel_case_dto_name):
     camel_case_dto_name += notification_dto_suffix
-    return camel_case_dto_name
\ No newline at end of file
+    return camel_case_dto_name