diff --git a/INSTALL b/INSTALL
index 99e650fad71..12bab2767bd 100644
--- a/INSTALL
+++ b/INSTALL
@@ -23,7 +23,7 @@ translations.
 
 The .tar.bz2 file is distributed with a working set of configure files. They
 are not in the SVN repository. Consequently, if you are building from
-SVN, you will need autoconf (>= 2.61) and automake (>= 1.9). Run './autogen.sh'
+SVN, you will need autoconf (>= 2.60) and automake (>= 1.9). Run './autogen.sh'
 then to generate the configure files.
 
 Sourcecode:
diff --git a/changelog b/changelog
index 718736debb3..c66e2775ee6 100644
--- a/changelog
+++ b/changelog
@@ -38,7 +38,7 @@ Version 1.3.13+svn:
    * validate vector access for colours (bug #10622)
    * Fixed OOS on unit advancement if wml had battle/die events (bug #10590)
    * added serveral fixes to compile with Sun Studio compiler (patch #911)
-   * bumped autoconf version requirement to 2.61 since it's needed for the
+   * bumped autoconf version requirement to 2.60 since it's needed for the
      boost tests (bug #10636)
 
 Version 1.3.13:
diff --git a/configure.ac b/configure.ac
index 613e11cef7b..85d8a501bc4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,7 +4,7 @@
 # Initial configuration                                               #
 #######################################################################
 
-AC_PREREQ([2.61])
+AC_PREREQ([2.60])
 
 define([WESNOTH_VERSION],[1.3.13+svn])