diff --git a/Makefile.am b/Makefile.am
index 705de3d..c23bec4 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 ## Makefile.am -- Process this file with automake to produce Makefile.in
 SUBDIRS = doc
-
+ACLOCAL_AMFLAGS = -I m4
 lib_LTLIBRARIES = \
   libbrandt.la
 
diff --git a/configure.ac b/configure.ac
index cd03067..f86a34e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6,7 +6,7 @@ AC_INIT([libbrandt], [0.1], [teichm@net.in.tum.de])
 
 AM_INIT_AUTOMAKE([1.15])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
-
+AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR([brandt.c])
 AC_CONFIG_HEADERS([brandt_config.h])