UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                   FORM 8-K/A


                                 CURRENT REPORT
     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934


         Date of report (Date of earliest event reported) August 6, 2004


                                   MFB Corp.
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             (Exact Name of Registrant as Specified in Its Charter)


          INDIANA                      0-23374                   35-1907258
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(State or Other Jurisdiction    (Commission File Number)       (IRS Employer
      of Incorporation)                                      Identification No.)


      4100 Edison Lakes Parkway, Suite 300,
         P.O. Box 528, Mishawaka, Indiana                        46546
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     (Address of Principal Executive Offices)                  (Zip Code)


                                 (574) 277-4200
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              (Registrant's Telephone Number, Including Area Code)


Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

   [ ]    Written  communications  pursuant to Rule 425 under the Securities Act
          (17 CFR 230.425)

   [ ]    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17
          CFR 240.14a-12)

   [ ]    Pre-commencement  communications  pursuant to Rule 14d-2(b)  under the
          Exchange Act (17 CFR 240.14d-2(b))

          Pre-commencement  communications  pursuant to Rule 13e-4(c)  under the
   [ ]    Exchange Act (17 CFR 240.13e-4(c))





     As  indicated in its Current  Report on Form 8-K dated August 6, 2004,  MFB
Corp.  (the  "Company")  hereby  files by  amendment  to that Form 8-K pro forma
financial  information  relating  to  the  acquisition  of  certain  assets  and
liabilities of Sobieski Bank by MFB Corp's  subsidiary,  MFB Financial.  The pro
forma  information is described in Item  9.01-Financial  Statements and Exhibits
(formerly Item 7) below and is filed as an exhibit to this report.



Section 9 - Financial Statements and Exhibits

Item 9.01   Financial Statements and Exhibits

     (b)  Pro Forma financial information

     1.  The  Unaudited  Pro  Forma  Balance  Sheet as of March  31,  2004,  and
Unaudited Pro Forma Income  Statements for the twelve months ended September 30,
2003,  and for the six months  ended March 31,  2004,  and March 31,  2003,  are
attached hereto as Exhibit 99.1.

     (c)  Exhibits

     Exhibit 99.1 - Unaudited  Pro Forma  Balance Sheet as of March 31, 2004 and
Unaudited Pro Forma Income  Statements for the twelve months ended September 30,
2003 and for the six months ended March 31, 2004 and March 31, 2003.







                                   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 hereunto duly authorized.




                                       /s/ Charles J. Viater
                                       -----------------------------------------
                                       Charles J. Viater,
                                       President and Chief Executive Officer

Dated: October 12, 2004