diff --git a/httperf/autogen.sh b/httperf/autogen.sh
index 9c5c9bf..2b5b961 100755
--- a/httperf/autogen.sh
+++ b/httperf/autogen.sh
@@ -3,7 +3,7 @@
 
 srcdir=`dirname $0`
 
-#ACLOCAL_FLAGS="-I ${srcdir}/m4 ${ACLOCAL_FLAGS}"
+ACLOCAL_FLAGS="-I ${srcdir}/m4 ${ACLOCAL_FLAGS}"
 
 fail() {
     status=$?