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-rw-r--r--source/Blocks/BlockHandler.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/source/Blocks/BlockHandler.cpp b/source/Blocks/BlockHandler.cpp
index 4b7aa6fa2..816c6f7e6 100644
--- a/source/Blocks/BlockHandler.cpp
+++ b/source/Blocks/BlockHandler.cpp
@@ -288,7 +288,10 @@ void cBlockHandler::OnDestroyed(cWorld *a_World, int a_BlockX, int a_BlockY, int
void cBlockHandler::NeighborChanged(cWorld *a_World, int a_BlockX, int a_BlockY, int a_BlockZ)
{
- GetBlockHandler(a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ))->OnNeighborChanged(a_World, a_BlockX, a_BlockY, a_BlockZ);
+ if ((a_BlockY >= 0) && (a_BlockY < cChunkDef::Height))
+ {
+ GetBlockHandler(a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ))->OnNeighborChanged(a_World, a_BlockX, a_BlockY, a_BlockZ);
+ }
}