diff --git a/src/printer_json.c b/src/printer_json.c
new file mode 100644
index 0000000..7ca29c4
--- /dev/null
+++ b/src/printer_json.c
@@ -0,0 +1,39 @@
+/**
+ * @file printer_xml.c
+ * @author Michal Vasko <mvasko@cesnet.cz>
+ * @author Radek Krejci <rkrejci@cesnet.cz>
+ * @brief XML printer for libyang data structure
+ *
+ * Copyright (c) 2015 - 2019 CESNET, z.s.p.o.
+ *
+ * This source code is licensed under BSD 3-Clause License (the "License").
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://opensource.org/licenses/BSD-3-Clause
+ */
+
+#include "common.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "log.h"
+#include "plugins_types.h"
+#include "printer_data.h"
+#include "printer_internal.h"
+#include "tree.h"
+#include "tree_data.h"
+#include "tree_schema.h"
+
+/**
+ * @brief
+ *
+ * Implementation of ly_clb_get_prefix.
+ */
+const char *
+json_print_get_prefix(const struct lys_module *mod, void *UNUSED(private))
+{
+    return mod->name;
+}
+