diff --git a/source/ChunkDef.h b/source/ChunkDef.h
index 927957e07..1e368b50b 100644
--- a/source/ChunkDef.h
+++ b/source/ChunkDef.h
@@ -538,8 +538,9 @@ public:
 } ;
 
 // Illegal in C++03: typedef std::list< cCoordWithData<X> > cCoordWithDataList<X>;
-typedef cCoordWithData<int>      cCoordWithInt;
-typedef std::list<cCoordWithInt> cCoordWithIntList;
+typedef cCoordWithData<int>        cCoordWithInt;
+typedef std::list<cCoordWithInt>   cCoordWithIntList;
+typedef std::vector<cCoordWithInt> cCoordWithIntVector;
 
 
 
diff --git a/source/Simulator/DelayedFluidSimulator.cpp b/source/Simulator/DelayedFluidSimulator.cpp
index be0cc1bbc..f6b3e5547 100644
--- a/source/Simulator/DelayedFluidSimulator.cpp
+++ b/source/Simulator/DelayedFluidSimulator.cpp
@@ -18,7 +18,7 @@
 // cDelayedFluidSimulatorChunkData:
 
 cDelayedFluidSimulatorChunkData::cDelayedFluidSimulatorChunkData(int a_TickDelay) :
-	m_Slots(new cCoordWithIntList[a_TickDelay])
+	m_Slots(new cCoordWithIntVector[a_TickDelay])
 {
 }
 
@@ -75,10 +75,10 @@ void cDelayedFluidSimulator::AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ,
 
 	void * ChunkDataRaw = (m_FluidBlock == E_BLOCK_WATER) ? a_Chunk->GetWaterSimulatorData() : a_Chunk->GetLavaSimulatorData();
 	cDelayedFluidSimulatorChunkData * ChunkData = (cDelayedFluidSimulatorChunkData *)ChunkDataRaw;
-	cCoordWithIntList & Blocks = ChunkData->m_Slots[m_AddSlotNum];
+	cCoordWithIntVector & Blocks = ChunkData->m_Slots[m_AddSlotNum];
 		
 	// Check for duplicates:
-	for (cCoordWithIntList::iterator itr = Blocks.begin(), end = Blocks.end(); itr != end; ++itr)
+	for (cCoordWithIntVector::iterator itr = Blocks.begin(), end = Blocks.end(); itr != end; ++itr)
 	{
 		if ((itr->x == RelX) && (itr->y == a_BlockY) && (itr->z == RelZ))
 		{
@@ -112,10 +112,10 @@ void cDelayedFluidSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int a_Chunk
 {	
 	void * ChunkDataRaw = (m_FluidBlock == E_BLOCK_WATER) ? a_Chunk->GetWaterSimulatorData() : a_Chunk->GetLavaSimulatorData();
 	cDelayedFluidSimulatorChunkData * ChunkData = (cDelayedFluidSimulatorChunkData *)ChunkDataRaw;
-	cCoordWithIntList & Blocks = ChunkData->m_Slots[m_SimSlotNum];
+	cCoordWithIntVector & Blocks = ChunkData->m_Slots[m_SimSlotNum];
 	
 	// Simulate the blocks in the scheduled slot:
-	for (cCoordWithIntList::iterator itr = Blocks.begin(), end = Blocks.end(); itr != end; ++itr)
+	for (cCoordWithIntVector::iterator itr = Blocks.begin(), end = Blocks.end(); itr != end; ++itr)
 	{
 		SimulateBlock(a_Chunk, itr->x, itr->y, itr->z);
 	}
diff --git a/source/Simulator/DelayedFluidSimulator.h b/source/Simulator/DelayedFluidSimulator.h
index eddaf1040..fc1a59f69 100644
--- a/source/Simulator/DelayedFluidSimulator.h
+++ b/source/Simulator/DelayedFluidSimulator.h
@@ -23,7 +23,7 @@ public:
 	virtual ~cDelayedFluidSimulatorChunkData();
 	
 	/// Slots, one for each delay tick, each containing the blocks to simulate; relative coords. Int param not used.
-	cCoordWithIntList * m_Slots;
+	cCoordWithIntVector * m_Slots;
 } ;