diff --git a/wrappers/java/genwrapper.py b/wrappers/java/genwrapper.py
index 95d050dc1..9a4d28949 100644
--- a/wrappers/java/genwrapper.py
+++ b/wrappers/java/genwrapper.py
@@ -381,6 +381,7 @@ class JavaTranslator(object):
         methodDict['objects'] = []
         methodDict['lists'] = []
         methodDict['array'] = []
+        methodDict['bytes'] = []
         methodDict['returnedObjectGetter'] = ''
         for arg in _method.args:
             methodDict['params'] += ', '
@@ -411,7 +412,10 @@ class JavaTranslator(object):
                 methodDict['params_impl'] += '(' + argCType + ') ' + argname
                 
             elif type(arg.type) is AbsApi.BaseType:
-                if arg.type.name == 'string':
+                if arg.type.name == 'integer' and arg.type.size is not None and arg.type.isref:
+                    methodDict['bytes'].append({'bytesargname': argname, 'bytesargtype' : self.translate_as_c_base_type(arg.type)})
+                    methodDict['params_impl'] += 'c_' + argname
+                elif arg.type.name == 'string':
                     methodDict['strings'].append({'string': argname})
                     methodDict['params_impl'] += 'c_' + argname
                 else:
diff --git a/wrappers/java/jni.mustache b/wrappers/java/jni.mustache
index 378b17e92..607f7af64 100644
--- a/wrappers/java/jni.mustache
+++ b/wrappers/java/jni.mustache
@@ -286,7 +286,9 @@ jobject {{jni_package}}CoreImpl_getMediastreamerFactory(JNIEnv *env, jobject thi
 {{return}} {{name}}({{params}}) {
 	{{#notStatic}}{{classCName}} *cptr = ({{classCName}}*)ptr;{{/notStatic}}{{#strings}}
 	const char* c_{{string}} = GetStringUTFChars(env, {{string}});
-	{{/strings}}{{#objects}}
+	{{/strings}}{{#bytes}}
+	{{bytesargtype}} c_{{bytesargname}} = ({{bytesargtype}})env->GetByteArrayElements({{bytesargname}}, NULL);
+	{{/bytes}}{{#objects}}
 	{{objectClassCName}}* c_{{object}} = NULL;
 	if ({{object}}) c_{{object}} = ({{objectClassCName}}*)GetObjectNativePtr(env, {{object}});
 	{{/objects}}{{#lists}}
@@ -340,7 +342,9 @@ jobject {{jni_package}}CoreImpl_getMediastreamerFactory(JNIEnv *env, jobject thi
 	{{#hasReturn}}{{return}} jni_result = ({{return}}){{#returnObject}}get{{returnClassName}}(env, (Linphone{{returnClassName}} *){{/returnObject}}{{/hasReturn}}{{c_name}}({{#notStatic}}cptr{{/notStatic}}{{params_impl}}){{#returnObject}}){{/returnObject}};
 	{{/hasNormalReturn}}{{#strings}}
 	ReleaseStringUTFChars(env, {{string}}, c_{{string}});
-	{{/strings}}{{#hasReturn}}return jni_result;{{/hasReturn}}{{#hasListReturn}}return jni_list_result;{{/hasListReturn}}
+	{{/strings}}{{#bytes}}
+	env->ReleaseByteArrayElements({{bytesargname}}, (jbyte*)c_{{bytesargname}}, JNI_ABORT);
+	{{/bytes}}{{#hasReturn}}return jni_result;{{/hasReturn}}{{#hasListReturn}}return jni_list_result;{{/hasListReturn}}
 }
 
 {{/methods}}
\ No newline at end of file