diff --git a/packages/addons/addon-depends/network-tools-depends/nmap/package.mk b/packages/addons/addon-depends/network-tools-depends/nmap/package.mk
index b38eb03c4b..882f95b4f7 100644
--- a/packages/addons/addon-depends/network-tools-depends/nmap/package.mk
+++ b/packages/addons/addon-depends/network-tools-depends/nmap/package.mk
@@ -16,7 +16,8 @@ PKG_CONFIGURE_OPTS_TARGET="--enable-static \
                            --with-libpcre=included \
                            --with-libdnet=included \
                            --with-liblua=included \
-                           --with-liblinear=included"
+                           --with-liblinear=included \
+                           --with-openssl=$SYSROOT_PREFIX"
 
 pre_configure_target() {
 # nmap fails to build in subdirs