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-rw-r--r--src/evaluate.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/evaluate.c b/src/evaluate.c
index 86ff8ebd..b5db724c 100644
--- a/src/evaluate.c
+++ b/src/evaluate.c
@@ -1149,7 +1149,7 @@ static int expr_evaluate_set(struct eval_ctx *ctx, struct expr **expr)
/* Merge recursive set definitions */
list_splice_tail_init(&i->expressions, &i->list);
list_del(&i->list);
- set->size += i->size;
+ set->size += i->size - 1;
set->set_flags |= i->set_flags;
expr_free(i);
} else if (!expr_is_singleton(i))