diff --git a/aclocal/ax_boost_base.m4 b/aclocal/ax_boost_base.m4
index b496020..30ee0df 100644
--- a/aclocal/ax_boost_base.m4
+++ b/aclocal/ax_boost_base.m4
@@ -92,7 +92,7 @@ if test "x$want_boost" = "xyes"; then
libsubdirs="lib"
ax_arch=`uname -m`
case $ax_arch in
- x86_64|ppc64|s390x|sparc64|aarch64)
+ x86_64|ppc64|ppc64le|s390x|sparc64|aarch64)
libsubdirs="lib64 lib lib64"
;;
esac