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-rw-r--r--src/Blocks/BlockNetherWart.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/Blocks/BlockNetherWart.h b/src/Blocks/BlockNetherWart.h
index 43081d511..c0686afc6 100644
--- a/src/Blocks/BlockNetherWart.h
+++ b/src/Blocks/BlockNetherWart.h
@@ -60,7 +60,8 @@ private:
virtual bool CanBeAt(const cChunk & a_Chunk, const Vector3i a_Position, const NIBBLETYPE a_Meta) const override
{
// Needs to be placed on top of a Soulsand block:
- return (a_Position.y > 0) && (a_Chunk.GetBlock(a_Position.addedY(-1)) == E_BLOCK_SOULSAND);
+ const auto BasePos = a_Position.addedY(-1);
+ return cChunkDef::IsValidHeight(BasePos) && (a_Chunk.GetBlock(BasePos) == E_BLOCK_SOULSAND);
}