diff --git a/configure.ac b/configure.ac
index 0030c54a..da6b9783 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_PREREQ([2.67])
+AC_PREREQ([2.65])
 AC_INIT([profanity], [0.10], [boothj5web@gmail.com])
 AC_CONFIG_SRCDIR([src/main.c])
 AC_CONFIG_HEADERS([src/config.h])