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-rw-r--r--src/dungeongen.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/dungeongen.cpp b/src/dungeongen.cpp
index bfaad9faa..cb5ea97b6 100644
--- a/src/dungeongen.cpp
+++ b/src/dungeongen.cpp
@@ -392,7 +392,8 @@ void DungeonGen::makeCorridor(v3s16 doorplace, v3s16 doordir,
if (partcount != 0)
p.Y += make_stairs;
- if (vm->m_area.contains(p) && vm->m_area.contains(p + v3s16(0, 1, 0))) {
+ if (vm->m_area.contains(p) && vm->m_area.contains(p + v3s16(0, 1, 0)) &&
+ vm->m_area.contains(v3s16(p.X - dir.X, p.Y - 1, p.Z - dir.Z))) {
if (make_stairs) {
makeFill(p + v3s16(-1, -1, -1),
dp.holesize + v3s16(2, 3, 2),