diff --git a/ChangeLog b/ChangeLog
index 20d4902..84d44ae 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2007-02-03  Greg Troxel  <Greg Troxel <gdt@ir.bbn.com>>
+
+	* configure.ac: add AC_PROG_SED
+
 2007-02-02  Greg Troxel  <Greg Troxel <gdt@ir.bbn.com>>
 
 	* README.NetBSD:  use bootstrap.sh instead of autoreconf
diff --git a/configure.ac b/configure.ac
index 9982110..e6f4982 100755
--- a/configure.ac
+++ b/configure.ac
@@ -61,7 +61,9 @@
 dnl --------------------
 AC_PROG_CC
 AC_PROG_CPP
+
 AC_PROG_EGREP
+AC_PROG_SED
 
 dnl ------------------------------------------------------------------
 dnl Intel compiler check. Although Intel tries really hard to make icc