diff --git a/SSUData.cpp b/SSUData.cpp
index da1ad64b..0810cf78 100644
--- a/SSUData.cpp
+++ b/SSUData.cpp
@@ -253,6 +253,7 @@ namespace ssu
 		while (len > 0)
 		{	
 			Fragment * fragment = new Fragment;
+			fragment->fragmentNum = fragmentNum;
 			uint8_t * buf = fragment->buf;
 			fragments.push_back (fragment);
 			uint8_t	* payload = buf + sizeof (SSUHeader);
diff --git a/SSUData.h b/SSUData.h
index 45ba31c1..b029d642 100644
--- a/SSUData.h
+++ b/SSUData.h
@@ -14,7 +14,7 @@ namespace i2p
 namespace ssu
 {
 
-	const size_t SSU_MTU = 1484;
+	const size_t SSU_MTU = 1472; // 1484;
 	const int RESEND_INTERVAL = 3; // in seconds
 	const int MAX_NUM_RESENDS = 5;
 	// data flags