diff --git a/local/dirs.inc b/local/dirs.inc
index c7b2c0ea07373e4f2c0e3d6be20165cf8db8e11d..61da9e9fb7d44a01f1cee566af0887cb5f33b29e 100644
--- a/local/dirs.inc
+++ b/local/dirs.inc
@@ -8,6 +8,7 @@ MODDIR   = $(PREFIX)/mod
 
 FMDIR      = $(HOME)/lib/FM
 FFTW3DIR   = $(HOME)/lib/fftw-3.3.8
+#FFTW3DIR   = $(FFTW_HOME)#for Marconi
 FUTILS_DIR = $(HOME)/lib/futils/src
 
 # Naming ideas : HeLaZ, MoNoLiT (Moment Non Linear Torroidal)