diff --git a/configure.ac b/configure.ac
index f86a34e..8c0ba72 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,7 +4,7 @@
 AC_PREREQ([2.69])
 AC_INIT([libbrandt], [0.1], [teichm@net.in.tum.de])
 
-AM_INIT_AUTOMAKE([1.15])
+AM_INIT_AUTOMAKE([1.14])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR([brandt.c])