diff --git a/src/Blocks/BlockPressurePlate.h b/src/Blocks/BlockPressurePlate.h
index a5c34a776..bd2f283a2 100644
--- a/src/Blocks/BlockPressurePlate.h
+++ b/src/Blocks/BlockPressurePlate.h
@@ -28,8 +28,7 @@ public:
 			return false;
 		}
 
-		BLOCKTYPE BlockBelow = a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ);
-		return (cBlockInfo::IsSolid(BlockBelow));
+		return (cBlockInfo::FullyOccupiesVoxel(a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ)));
 	}
 } ;
 
diff --git a/src/Blocks/BlockRail.h b/src/Blocks/BlockRail.h
index 87ce069ab..533a6e900 100644
--- a/src/Blocks/BlockRail.h
+++ b/src/Blocks/BlockRail.h
@@ -98,7 +98,7 @@ public:
 		{
 			return false;
 		}
-		if (!cBlockInfo::IsSolid(a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ)))
+		if (!cBlockInfo::FullyOccupiesVoxel(a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ)))
 		{
 			return false;
 		}
@@ -130,7 +130,7 @@ public:
 					// Too close to the edge, cannot simulate
 					return true;
 				}
-				return cBlockInfo::IsSolid(BlockType);
+				return cBlockInfo::FullyOccupiesVoxel(BlockType);
 			}
 		}
 		return true;