diff --git a/src/Chunk.cpp b/src/Chunk.cpp
index d03e0bf21..7d6d88b26 100644
--- a/src/Chunk.cpp
+++ b/src/Chunk.cpp
@@ -2614,7 +2614,7 @@ BLOCKTYPE cChunk::GetBlock(int a_RelX, int a_RelY, int a_RelZ) const
 
 
 
-void cChunk::GetBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta)
+void cChunk::GetBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta) const
 {
 	a_BlockType = GetBlock(a_RelX, a_RelY, a_RelZ);
 	a_BlockMeta = m_ChunkData.GetMeta(a_RelX, a_RelY, a_RelZ);
diff --git a/src/Chunk.h b/src/Chunk.h
index c50be263f..5f8fcaf7b 100644
--- a/src/Chunk.h
+++ b/src/Chunk.h
@@ -186,7 +186,7 @@ public:
 	void FastSetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, BLOCKTYPE a_BlockMeta, bool a_SendToClients = true);  // Doesn't force block updates on neighbors, use for simple changes such as grass growing etc.
 	BLOCKTYPE GetBlock(int a_RelX, int a_RelY, int a_RelZ) const;
 	BLOCKTYPE GetBlock(const Vector3i & a_RelCoords) const { return GetBlock(a_RelCoords.x, a_RelCoords.y, a_RelCoords.z); }
-	void      GetBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta);
+	void      GetBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta) const;
 	void      GetBlockInfo    (int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_Meta, NIBBLETYPE & a_SkyLight, NIBBLETYPE & a_BlockLight);
 	
 	/** Returns the chunk into which the specified block belongs, by walking the neighbors.