diff --git a/src/Simulator/IncrementalRedstoneSimulator.cpp b/src/Simulator/IncrementalRedstoneSimulator.cpp
index 7b3a2c2fa..8649a1841 100644
--- a/src/Simulator/IncrementalRedstoneSimulator.cpp
+++ b/src/Simulator/IncrementalRedstoneSimulator.cpp
@@ -1619,17 +1619,22 @@ bool cIncrementalRedstoneSimulator::IsRepeaterLocked(int a_RelBlockX, int a_RelB
 		{
 			// Check if eastern(right) neighbor is a powered on repeater who is facing us
 			BLOCKTYPE Block = 0;
-			if (m_Chunk->UnboundedRelGetBlockType(a_RelBlockX + 1, a_RelBlockY, a_RelBlockZ, Block) && (Block == E_BLOCK_REDSTONE_REPEATER_ON))  // Is right neighbor a powered repeater?
+			NIBBLETYPE OtherRepeaterDir = 0;
+			if (m_Chunk->UnboundedRelGetBlock(a_RelBlockX + 1, a_RelBlockY, a_RelBlockZ, Block, OtherRepeaterDir) && (Block == E_BLOCK_REDSTONE_REPEATER_ON))  // Is right neighbor a powered repeater?
 			{
-				NIBBLETYPE OtherRepeaterDir = m_Chunk->GetMeta(a_RelBlockX + 1, a_RelBlockY, a_RelBlockZ) & 0x3;
-				if (OtherRepeaterDir == 0x3) { return true; }  // If so, I am latched/locked
+				if ((OtherRepeaterDir & 0x03) == 0x03)
+				{
+					return true;
+				}  // If so, I am latched/locked
 			}
 
 			// Check if western(left) neighbor is a powered on repeater who is facing us
-			if (m_Chunk->UnboundedRelGetBlockType(a_RelBlockX - 1, a_RelBlockY, a_RelBlockZ, Block) && (Block == E_BLOCK_REDSTONE_REPEATER_ON))
+			if (m_Chunk->UnboundedRelGetBlock(a_RelBlockX - 1, a_RelBlockY, a_RelBlockZ, Block, OtherRepeaterDir) && (Block == E_BLOCK_REDSTONE_REPEATER_ON))
 			{
-				NIBBLETYPE OtherRepeaterDir = m_Chunk->GetMeta(a_RelBlockX -1, a_RelBlockY, a_RelBlockZ) & 0x3;
-				if (OtherRepeaterDir == 0x1) { return true; }  // If so, I am latched/locked
+				if ((OtherRepeaterDir & 0x03) == 0x01)
+				{
+					return true;
+				}  // If so, I am latched/locked
 			}
 
 			break;
@@ -1641,19 +1646,23 @@ bool cIncrementalRedstoneSimulator::IsRepeaterLocked(int a_RelBlockX, int a_RelB
 		{
 			// Check if southern(down) neighbor is a powered on repeater who is facing us
 			BLOCKTYPE Block = 0;
-			if (m_Chunk->UnboundedRelGetBlockType(a_RelBlockX, a_RelBlockY, a_RelBlockZ + 1, Block) && (Block == E_BLOCK_REDSTONE_REPEATER_ON))
+			NIBBLETYPE OtherRepeaterDir = 0;
+			if (m_Chunk->UnboundedRelGetBlock(a_RelBlockX, a_RelBlockY, a_RelBlockZ + 1, Block, OtherRepeaterDir) && (Block == E_BLOCK_REDSTONE_REPEATER_ON))
 			{
-				NIBBLETYPE OtherRepeaterDir = m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ + 1) & 0x3;
-				if (OtherRepeaterDir == 0x0) { return true; }  // If so,  am latched/locked
+				if ((OtherRepeaterDir & 0x03) == 0x00)
+				{
+					return true;
+				}  // If so,  am latched/locked
 			}
 			
 			// Check if northern(up) neighbor is a powered on repeater who is facing us
-			if (m_Chunk->UnboundedRelGetBlockType(a_RelBlockX, a_RelBlockY, a_RelBlockZ - 1, Block) && (Block == E_BLOCK_REDSTONE_REPEATER_ON))
+			if (m_Chunk->UnboundedRelGetBlock(a_RelBlockX, a_RelBlockY, a_RelBlockZ - 1, Block, OtherRepeaterDir) && (Block == E_BLOCK_REDSTONE_REPEATER_ON))
 			{
-				NIBBLETYPE OtherRepeaterDir = m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ - 1) & 0x3;
-				if (OtherRepeaterDir == 0x2) { return true; }  // If so, I am latched/locked
+				if ((OtherRepeaterDir & 0x03) == 0x02)
+				{
+					return true;
+				}  // If so, I am latched/locked
 			}
-
 			break;
 		}
 	}