3 files changed, 8 insertions, 3 deletions

diff --git a/src/Chunk.cpp b/src/Chunk.cpp
index 74e18de17..3012f30b6 100644
--- a/src/Chunk.cpp
+++ b/src/Chunk.cpp
@@ -92,6 +92,7 @@ cChunk::cChunk(
 	m_NeighborZP(a_NeighborZP),
 	m_WaterSimulatorData(a_World->GetWaterSimulator()->CreateChunkData()),
 	m_LavaSimulatorData (a_World->GetLavaSimulator ()->CreateChunkData()),
+	m_RedstoneSimulatorData(NULL),
 	m_AlwaysTicked(0)
 {
 	if (a_NeighborXM != NULL)
@@ -160,6 +161,8 @@ cChunk::~cChunk()
 	m_WaterSimulatorData = NULL;
 	delete m_LavaSimulatorData;
 	m_LavaSimulatorData = NULL;
+	delete m_RedstoneSimulatorData;
+	m_RedstoneSimulatorData = NULL;
 }
 
 
diff --git a/src/Chunk.h b/src/Chunk.h
index 1d62ff73f..b525fbb82 100644
--- a/src/Chunk.h
+++ b/src/Chunk.h
@@ -420,7 +420,7 @@ public:
 	cFluidSimulatorData *     GetLavaSimulatorData (void) { return m_LavaSimulatorData; }
 	cSandSimulatorChunkData & GetSandSimulatorData (void) { return m_SandSimulatorData; }
 
-	cRedstoneSimulatorChunkData * GetRedstoneSimulatorData(void) { return &m_RedstoneSimulatorData; }
+	cRedstoneSimulatorChunkData * GetRedstoneSimulatorData(void) { return m_RedstoneSimulatorData; }
 	bool IsRedstoneDirty(void) const { return m_IsRedstoneDirty; }
 	void SetIsRedstoneDirty(bool a_Flag) { m_IsRedstoneDirty = a_Flag; }
 
@@ -505,7 +505,7 @@ private:
 	cFluidSimulatorData *   m_LavaSimulatorData;
 	cSandSimulatorChunkData m_SandSimulatorData;
 
-	cRedstoneSimulatorChunkData m_RedstoneSimulatorData;
+	cRedstoneSimulatorChunkData * m_RedstoneSimulatorData;
 
 
 	/** Indicates if simulate-once blocks should be updated by the redstone simulator */
diff --git a/src/Simulator/RedstoneSimulator.h b/src/Simulator/RedstoneSimulator.h
index 0e3dd495d..f6d36f869 100644
--- a/src/Simulator/RedstoneSimulator.h
+++ b/src/Simulator/RedstoneSimulator.h
@@ -7,10 +7,12 @@
 class cRedstoneSimulatorChunkData
 {
 public:
-	virtual ~cRedstoneSimulatorChunkData() {}
+	virtual ~cRedstoneSimulatorChunkData() = 0;
 } ;
 
 
+inline cRedstoneSimulatorChunkData::~cRedstoneSimulatorChunkData() {}
+
 template <class ChunkType, class WorldType>
 class cRedstoneSimulator :
 	public cSimulator<ChunkType, WorldType>