diff --git a/MAC/Tools/README b/MAC/Tools/README
index 2dd28e648913d2ba88cadddeead2d59a59191841..42c40974b0daab5e2ac237f53e8f5d2895e75a8d 100644
--- a/MAC/Tools/README
+++ b/MAC/Tools/README
@@ -28,6 +28,7 @@ cd to directory above LOFAR
 Configure, build and install the EPA plugin
 -------------------------------------------
 > cd LOFAR/MAC/Tools/ethereal-0.9.8-epaplugin
+> mkdir aclocal-missing          # autogen assumes that this directory exists
 > ./autogen.sh --prefix=/usr
 > cd plugins/epa
 > make