diff --git a/src/Mobs/Path.cpp b/src/Mobs/Path.cpp
index 1848e144e..325e102b7 100644
--- a/src/Mobs/Path.cpp
+++ b/src/Mobs/Path.cpp
@@ -157,8 +157,14 @@ bool cPath::IsSolid(const Vector3i & a_Location)
 	int RelZ = a_Location.z - m_Chunk->GetPosZ() * cChunkDef::Width;
 
 	m_Chunk->GetBlockTypeMeta(RelX, a_Location.y, RelZ, BlockType, BlockMeta);
-	if ((BlockType == E_BLOCK_FENCE) || (BlockType == E_BLOCK_FENCE_GATE))
+	if (
+			(BlockType == E_BLOCK_FENCE) ||
+			(BlockType == E_BLOCK_FENCE_GATE) ||
+			(BlockType == E_BLOCK_NETHER_BRICK_FENCE) ||
+			((BlockType >= E_BLOCK_SPRUCE_FENCE_GATE) && (BlockType <= E_BLOCK_ACACIA_FENCE))
+		)
 	{
+		// TODO move this out of IsSolid to a proper place.
 		GetCell(a_Location + Vector3i(0, 1, 0))->m_IsSolid = true;  // Mobs will always think that the fence is 2 blocks high and therefore won't jump over.
 	}
 	if (BlockType == E_BLOCK_STATIONARY_WATER)