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-rw-r--r--src/ClientHandle.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp
index ec10ac521..6351ab2e3 100644
--- a/src/ClientHandle.cpp
+++ b/src/ClientHandle.cpp
@@ -1006,6 +1006,12 @@ void cClientHandle::HandleLeftClick(int a_BlockX, int a_BlockY, int a_BlockZ, eB
int BlockY = a_BlockY;
int BlockZ = a_BlockZ;
AddFaceDirection(BlockX, BlockY, BlockZ, a_BlockFace);
+
+ if ((BlockY < 0) || (BlockY >= cChunkDef::Height))
+ {
+ return;
+ }
+
if (cBlockInfo::GetHandler(m_Player->GetWorld()->GetBlock(BlockX, BlockY, BlockZ))->IsClickedThrough())
{
a_BlockX = BlockX;