diff --git a/bootstrap.sh b/bootstrap.sh
index 9ede5cc901..e8a4459f24 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -87,7 +87,7 @@ fi
 # output is multiline from 1.5 onwards
 
 # Require libtool 1.4 or newer
-libtool=${LIBTOOL:-`${LIBDIR}/apr/build/PrintPath glibtool libtool libtool15 libtool14`}
+libtool=${LIBTOOL:-`${LIBDIR}/apr/build/PrintPath glibtool libtool libtool22 libtool15 libtool14`}
 lt_pversion=`$libtool --version 2>/dev/null|sed -e 's/([^)]*)//g;s/^[^0-9]*//;s/[- ].*//g;q'`
 if test -z "$lt_pversion"; then
    echo "bootstrap: libtool not found."