diff --git a/src/AnticheatMgr.cpp b/src/AnticheatMgr.cpp
index 7cae130..ec454fa 100644
--- a/src/AnticheatMgr.cpp
+++ b/src/AnticheatMgr.cpp
@@ -175,10 +175,11 @@ void AnticheatMgr::TeleportPlaneHackDetection(Player* player, MovementInfo movem
 
     float pos_z = player->GetPositionZ();
     float ground_Z = player->GetFloorZ();
-    float z_diff = fabs(ground_Z - pos_z);
+    float groundZ = player->GetMapHeight(player->GetPositionX(), player->GetPositionY(), MAX_HEIGHT);
+    float floorZ = player->GetMapHeight(player->GetPositionX(), player->GetPositionY(), player->GetPositionZ());
 
     // we are not really walking there
-    if (z_diff > 1.0f)
+    if (groundZ == floorZ && (fabs(ground_Z - pos_z) > 1.0f || fabs(ground_Z - pos_z) < -1.0f))
     {
         if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
         {
@@ -189,6 +190,7 @@ void AnticheatMgr::TeleportPlaneHackDetection(Player* player, MovementInfo movem
 
         BuildReport(player, TELEPORT_PLANE_HACK_REPORT);
     }
+
 }
 
 void AnticheatMgr::IgnoreControlHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode)