UNITED STATES
               SECURITIES AND EXCHANGE COMMISSION
                     Washington, D.C.  20549

                           FORM 10-Q/A

        QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)
             OF THE SECURITIES EXCHANGE ACT OF 1934

       For the quarterly period ended:  September 30, 2008

               Commission File Number:  000-18289


            AEI REAL ESTATE FUND XVIII LIMITED PARTNERSHIP
      (Exact name of registrant as specified in its charter)


      State of Minnesota                   41-1622463
(State or other jurisdiction of         (I.R.S. Employer
incorporation or organization)        Identification No.)


    30 East 7th Street, Suite 1300, St. Paul, Minnesota 55101
             (Address of principal executive offices)

                         (651) 227-7333
                 (Registrant's telephone number)

                       Not Applicable
 (Former name, former address and former fiscal year, if changed
                       since last report)

Indicate  by check mark whether the registrant (1) has filed  all
reports  required  to be filed by Section  13  or  15(d)  of  the
Securities  Exchange Act of 1934 during the preceding  12  months
(or  for such shorter period that the registrant was required  to
file  such  reports),  and (2) has been subject  to  such  filing
requirements for the past 90 days.       [X] Yes       No

Indicate  by  check  mark  whether  the  registrant  is  a  large
accelerated filer, an accelerated filer, a non-accelerated filer,
or  a  smaller reporting company.  See the definitions of  "large
accelerated  filer," "accelerated filer" and  "smaller  reporting
company" in Rule 12b-2 of the Exchange Act.

  Large accelerated filer          Accelerated filer

  Non-accelerated filer            Smaller reporting company  [X]

Indicate by check mark whether the registrant is a shell  company
(as  defined  in  Rule 12b-2 of the Exchange  Act).  Yes   [X] No



EXPLANATORY NOTE

The  filing is being amended solely to file certifications in the
exact form as outlined in Item 601(b)(31) of Regulation S-K.

ITEM 6.   EXHIBITS

    31.1  Certification  of Chief Executive  Officer  of  General
    Partner pursuant to Rule 15d-14(a)(17 CFR 240.15d-14(a))  and
    Section 302 of the Sarbanes-Oxley Act of 2002.

    31.2  Certification  of Chief Financial  Officer  of  General
    Partner pursuant to Rule 15d-14(a)(17 CFR 240.15d-14(a))  and
    Section 302 of the Sarbanes-Oxley Act of 2002.

    32    Certification  of  Chief Executive  Officer  and  Chief
    Financial Officer of General Partner pursuant to Section  906
    of the Sarbanes-Oxley Act of 2002.



                           SIGNATURES

        Pursuant  to the requirements of the Securities  Exchange
Act  of  1934, the registrant has duly caused this report  to  be
signed   on   its  behalf  by  the  undersigned  thereunto   duly
authorized.


Dated:  December 30, 2008     AEI Real Estate Fund XVIII
                              Limited Partnership
                              By: AEI Fund Management XVIII, Inc.
                              Its: Managing General Partner



                              By: /s/ ROBERT P JOHNSON
                                      Robert P. Johnson
                                      President
                                      (Principal Executive Officer)



                              By: /s/ PATRICK W KEENE
                                      Patrick W. Keene
                                      Chief Financial Officer
                                      (Principal Accounting Officer)