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

                                   FORM 10-Q/A
                                (Amendment No. 1)

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

                  For the quarterly period ended June 30, 2005

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

         For the transition period from ____________ to ________________

                         Commission File Number 0-17325


                                ERHC ENERGY INC.
                 (Name of small business issuer in its charter)

      Colorado                                           88-0218499
(State of Incorporation)                    (I.R.S. Employer Identification No.)

                              5444 Westheimer Road
                                   Suite 1570
                              Houston, Texas 77056
               (Address of executive offices, including zip code.)

                                 (713) 626-4700
                         (Registrant's telephone number)

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.

                                 Yes |X|  No |_|

Indicate by check mark whether the registrant is an accelerated filer (as
defined in Rule 12b-2 of the Act)

                                 Yes |X| No |_|

Indicate the number of shares outstanding of each of the issuer's classes of
common stock, as of the latest practicable date:

The number of common shares outstanding as of August 4, 2005 was 710,912,226.


                                EXPLANATORY NOTE

      The Company is filing this Amendment No. 1 to its Quarterly Report on Form
10-Q for the quarter ended June 30, 2005, as originally filed with the SEC on
August 9, 2005, for the sole purpose of amending the cover page to reflect the
number of shares of common stock outstanding on August 4, 2005, of 710,912,226
(instead of 709,690,093). This Amendment No. 1 on Form 10-Q/A does not change
the previously reported financial statements or any of the other disclosures
contained in the original Form 10-Q.

                                   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.

                                  ERHC ENERGY INC.

                                  BY: /s/ Ali Memon
                                      -----------------------
                                      Ali Memon
                                      Chief Executive Officer

                                  BY: /s/ Cosmas (Ike) Okpala
                                      ------------------------
                                      Cosmas (Ike) Okpala
                                      Chief Financial Officer

Dated: August 30, 2005