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-rw-r--r--command.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/command.c b/command.c
index 924188e07..5af67e458 100644
--- a/command.c
+++ b/command.c
@@ -332,7 +332,7 @@ int32 DoCommand(int x, int y, uint32 p1, uint32 p2, uint32 flags, uint procc)
CommandProc *proc;
/* Do not even think about executing out-of-bounds tile-commands */
- if (TileVirtXY(x, y) > MapSize()) {
+ if (TileVirtXY(x, y) >= MapSize()) {
_cmd_text = NULL;
return CMD_ERROR;
}