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-rw-r--r--src/map/magic-expr.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/map/magic-expr.cpp b/src/map/magic-expr.cpp
index b0e68fb..1e5c829 100644
--- a/src/map/magic-expr.cpp
+++ b/src/map/magic-expr.cpp
@@ -858,8 +858,8 @@ int fun_is_equipped(dumb_ptr<env_t>, val_t *result, Slice<val_t> args)
for (EQUIP i : EQUIPs)
{
- int idx = chr->equip_index_maybe[i];
- if (idx >= 0 && chr->status.inventory[idx].nameid == item.nameid)
+ IOff0 idx = chr->equip_index_maybe[i];
+ if (idx.ok() && chr->status.inventory[idx].nameid == item.nameid)
{
retval = true;
break;