diff --git a/modules/gamelib/game.lua b/modules/gamelib/game.lua
index 23083f41..58b53969 100644
--- a/modules/gamelib/game.lua
+++ b/modules/gamelib/game.lua
@@ -98,8 +98,7 @@ function g_game.getClientProtocolVersion(client)
     [985] = 977,
     [986] = 978,
     [1001] = 979,
-    [1002] = 980,
-    [1051] = 1000 -- no idea what protocol version is required (1051 doesn't work)
+    [1002] = 980
   }
   return clients[client] or client
 end
diff --git a/src/client/protocolgamesend.cpp b/src/client/protocolgamesend.cpp
index 03c40602..5d1223a4 100644
--- a/src/client/protocolgamesend.cpp
+++ b/src/client/protocolgamesend.cpp
@@ -56,9 +56,14 @@ void ProtocolGame::sendLoginPacket(uint challengeTimestamp, uint8 challengeRando
     msg->addU16(g_game.getOs());
     msg->addU16(g_game.getProtocolVersion());
 
-    if(g_game.getProtocolVersion() >= 971) {
+    // This may only be required by the flash client
+    if(g_game.getClientVersion() >= 980) {
         msg->addU32(g_game.getClientVersion());
-        msg->addU8(0); // clientType
+        msg->addU8(0); // client type
+    }
+
+    if(g_game.getClientVersion() >= 1050) {
+        msg->addU8(0); // preview state
     }
 
     int offset = msg->getMessageSize();