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-rw-r--r--clear_cmd.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/clear_cmd.c b/clear_cmd.c
index c3ac7c73e..591f2a1ab 100644
--- a/clear_cmd.c
+++ b/clear_cmd.c
@@ -10,6 +10,7 @@
#include "tile.h"
#include "viewport.h"
#include "command.h"
+#include "tunnel_map.h"
#include "variables.h"
#include "table/sprites.h"
@@ -277,7 +278,7 @@ int32 CmdTerraformLand(int x, int y, uint32 flags, uint32 p1, uint32 p2)
t = TerraformGetHeightOfTile(&ts, tile + TileDiffXY(0, 1));
if (t <= z) z = t;
- if (!CheckTunnelInWay(tile, z * 8)) {
+ if (IsTunnelInWay(tile, z * 8)) {
return_cmd_error(STR_1002_EXCAVATION_WOULD_DAMAGE);
}
}