diff --git a/ext/snmp/snmp.c b/ext/snmp/snmp.c
index 84832c1c419..ae41a8d5351 100644
--- a/ext/snmp/snmp.c
+++ b/ext/snmp/snmp.c
@@ -695,7 +695,7 @@ static bool php_snmp_parse_oid(
 			return false;
 		}
 		objid_query->vars = (snmpobjarg *)safe_emalloc(sizeof(snmpobjarg), zend_hash_num_elements(oid_ht), 0);
-		objid_query->array_output = (st & SNMP_CMD_SET) != 0;
+		objid_query->array_output = (st & SNMP_CMD_SET) == 0;
 		ZEND_HASH_FOREACH_VAL(oid_ht, tmp_oid) {
 			convert_to_string(tmp_oid);
 			objid_query->vars[objid_query->count].oid = Z_STRVAL_P(tmp_oid);