diff --git a/.gitignore b/.gitignore
index 748cfc0..c069c83 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 build
 *.iml
+.gradle
diff --git a/src/main/java/org/telegram/tl/StreamingUtils.java b/src/main/java/org/telegram/tl/StreamingUtils.java
index 8d8bd5e..6fda154 100644
--- a/src/main/java/org/telegram/tl/StreamingUtils.java
+++ b/src/main/java/org/telegram/tl/StreamingUtils.java
@@ -153,6 +153,34 @@ public static void writeTLBytes(byte[] v, OutputStream stream) throws IOExceptio
         }
     }
 
+    /**
+     * Writing tl-bytes value
+     *
+     * @param v      value
+     * @param stream destination stream
+     * @throws IOException
+     */
+    public static void writeTLBytes(TLBytes v, OutputStream stream) throws IOException {
+        int startOffset = 1;
+        if (v.getLength() >= 254) {
+            startOffset = 4;
+            writeByte(254, stream);
+            writeByte(v.getLength() & 0xFF, stream);
+            writeByte((v.getLength() >> 8) & 0xFF, stream);
+            writeByte((v.getLength() >> 16) & 0xFF, stream);
+        } else {
+            writeByte(v.getLength(), stream);
+        }
+
+        writeByteArray(v.getData(), v.getOffset(), v.getLength(), stream);
+
+        int offset = (v.getLength() + startOffset) % 4;
+        if (offset != 0) {
+            int offsetCount = 4 - offset;
+            writeByteArray(new byte[offsetCount], stream);
+        }
+    }
+
     /**
      * Writing tl-object to stream
      *
@@ -401,7 +429,7 @@ public static TLBytes readTLBytes(InputStream stream, TLContext context) throws
             startOffset = 4;
         }
         TLBytes res = context.allocateBytes(count);
-        readBytes(res.getData(), res.getOffset(), res.getLen(), stream);
+        readBytes(res.getData(), res.getOffset(), res.getLength(), stream);
 
         int offset = (count + startOffset) % 4;
         if (offset != 0) {
diff --git a/src/main/java/org/telegram/tl/TLBytes.java b/src/main/java/org/telegram/tl/TLBytes.java
index aaa2850..6a4cd2b 100644
--- a/src/main/java/org/telegram/tl/TLBytes.java
+++ b/src/main/java/org/telegram/tl/TLBytes.java
@@ -22,7 +22,7 @@ public int getOffset() {
         return offset;
     }
 
-    public int getLen() {
+    public int getLength() {
         return len;
     }
 }