diff --git a/BUILD.md b/BUILD.md
index 02e9292d..656f15cd 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -13,7 +13,7 @@ This package requires the following:
 
 The usual command to build are:
 - autoreconf -fi (if needed)
-- ./configure (--with-openssl if needed)
+- ./configure (--with-openssl=/path/to/openssl if needed)
 - make
 - make check