diff --git a/src/Generating/Caves.cpp b/src/Generating/Caves.cpp
index c94113f5c..2571e6b77 100644
--- a/src/Generating/Caves.cpp
+++ b/src/Generating/Caves.cpp
@@ -509,6 +509,7 @@ void cCaveTunnel::ProcessChunk(
 						case E_BLOCK_GRAVEL:
 						case E_BLOCK_SAND:
 						case E_BLOCK_SANDSTONE:
+						case E_BLOCK_SOULSAND:
 						case E_BLOCK_NETHERRACK:
 						case E_BLOCK_COAL_ORE:
 						case E_BLOCK_IRON_ORE: