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-rw-r--r--crawl-ref/source/dgn-shoals.cc4
1 files changed, 4 insertions, 0 deletions
diff --git a/crawl-ref/source/dgn-shoals.cc b/crawl-ref/source/dgn-shoals.cc
index 3f9637cbad..e5bee1e121 100644
--- a/crawl-ref/source/dgn-shoals.cc
+++ b/crawl-ref/source/dgn-shoals.cc
@@ -9,6 +9,7 @@
#include "dgn-height.h"
#include "env.h"
#include "flood_find.h"
+#include "fprop.h"
#include "items.h"
#include "maps.h"
#include "mgen_data.h"
@@ -846,6 +847,9 @@ static tide_direction _shoals_feature_tide_height_change(
static void _shoals_apply_tide_at(coord_def c, int tide)
{
+ if (is_tide_immune(c))
+ return;
+
const int effective_height = dgn_height_at(c) - tide;
dungeon_feature_type newfeat =
_shoals_feature_by_height(effective_height);