diff --git a/autogen.sh b/autogen.sh
index a5465d1d04..119c01f0b1 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -218,10 +218,9 @@ PATH=${AUTOCONF_DIR}:${M4_DIR}:$PATH
 HDF5_LIBTOOLIZE="${LIBTOOL_DIR}/libtoolize"
 
 # OS-X uses glibtoolize, so if libtoolize does not exist try that
-# NEED TO TEST THIS ON OS-X BEFORE MAKING IT ACTIVE
-#if test ! -e ${HDF5_LIBTOOLIZE} ; then
-#    HDF5_LIBTOOLIZE="${LIBTOOL_DIR}/glibtoolize"
-#fi
+if test ! -e ${HDF5_LIBTOOLIZE} ; then
+    HDF5_LIBTOOLIZE="${LIBTOOL_DIR}/glibtoolize"
+fi
 
 # Run autotools in order