diff --git a/src/game/server/ServerConnexion.cpp b/src/game/server/ServerConnexion.cpp
index 38b84ab..0d74344 100644
--- a/src/game/server/ServerConnexion.cpp
+++ b/src/game/server/ServerConnexion.cpp
@@ -51,7 +51,7 @@ void ServerConnexion::checkKeepAlive() {
     if (time - m_KeepAlive.sendTime > KEEP_ALIVE_TIMEOUT) {
         if (m_KeepAlive.recievedResponse) {
             sendKeepAlive();
-        }         else {
+        } else {
             protocol::DisconnectPacket packet("Time out");
             sendPacket(&packet);
             closeConnection();
@@ -144,7 +144,16 @@ void ServerConnexion::initConnection() {
 }
 
 void ServerConnexion::HandlePacket(protocol::PlaceTowerPacket* packet) {
-    // process packet
+    game::TowerType towerType = packet->getTowerType();
+    const game::TowerInfo& towerInfo = game::getTowerInfo(towerType);
+    const game::World* world = m_Server->getGame().getWorld();
+    if (towerInfo.isBigTower()) {
+        if (!world->CanPlaceBigTower({ packet->getTowerX(), packet->getTowerY() }))
+            return;
+    } else {
+        if (!world->CanPlaceLittleTower({ packet->getTowerX(), packet->getTowerY() }))
+            return;
+    }
     protocol::WorldAddTowerPacket addTowerPacket(packet->getTowerX(), packet->getTowerY(), packet->getTowerType(), m_ID);
     m_Server->broadcastPacket(&addTowerPacket);
 }