diff --git a/autogen.sh b/autogen.sh
index 301b49c3784b7b0b8fa6c1b263554983bc3e57d7..009f7fce531593f4a9da3b15795b746921880920 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -24,10 +24,10 @@ libtoolize --force --copy
 aclocal -Im4/
 
 # run autoconf
-autoconf
+autoconf -I m4
 
 # run autoheader to generate config.h.in
-autoheader
+autoheader -I m4
 
 # run automake
 automake --add-missing