diff --git a/mio/lib/json.c b/mio/lib/json.c
index 6ff2695..eb74fce 100644
--- a/mio/lib/json.c
+++ b/mio/lib/json.c
@@ -1147,3 +1147,9 @@ jsonwr->pretty = 1;
 
 	return 0;
 }
+
+int mio_jsonwr_writerawbytes (mio_jsonwr_t* jsonwr, const mio_uint8_t* dptr, mio_oow_t dlen)
+{
+	WRITE_BYTES_NOESC (jsonwr, dptr, dlen);
+	return 0;
+}
diff --git a/mio/lib/mio-json.h b/mio/lib/mio-json.h
index e1a9c88..f4d0af5 100644
--- a/mio/lib/mio-json.h
+++ b/mio/lib/mio-json.h
@@ -309,6 +309,13 @@ MIO_EXPORT int mio_jsonwr_write (
 #define mio_jsonwr_writestringwithbcstr(jsonwr,dptr) mio_jsonwr_write(jsonwr, MIO_JSON_INST_STRING, 0, dptr, mio_count_bcstr(dptr))
 
 
+
+MIO_EXPORT int mio_jsonwr_writerawbytes (
+	mio_jsonwr_t*      jsonwr,
+	const mio_uint8_t* dptr,
+	mio_oow_t          dlen
+);
+
 #if defined(__cplusplus)
 }
 #endif