diff --git a/acsite.m4 b/acinclude.m4
similarity index 100%
rename from acsite.m4
rename to acinclude.m4
diff --git a/configure.ac b/configure.ac
index 5eefe40d..123df1bb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6,8 +6,8 @@ dnl $Id$
 AC_INIT
 AC_CONFIG_SRCDIR([simgear/bucket/newbucket.cxx])
 
-# Require at least automake 2.53
-AC_PREREQ(2.53)
+# Require at least automake 2.52
+AC_PREREQ(2.52)
 
 dnl Initialize the automake stuff
 AM_INIT_AUTOMAKE(SimGear, 0.0.19pre1)