diff --git a/openwrt/package/portmap/Makefile b/openwrt/package/portmap/Makefile
index 3c8f5d20cdc..5dd79f9a50e 100644
--- a/openwrt/package/portmap/Makefile
+++ b/openwrt/package/portmap/Makefile
@@ -25,7 +25,9 @@ $(PKG_BUILD_DIR)/.configured:
 $(PKG_BUILD_DIR)/.built:
 	$(MAKE) -C $(PKG_BUILD_DIR) \
 		$(TARGET_CONFIGURE_OPTS) \
-		CFLAGS="$(TARGET_CFLAGS) -DHOSTS_ACCESS -DFACILITY=LOG_DAEMON -DIGNORE_SIGCHLD" all
+		CFLAGS="$(TARGET_CFLAGS) -I$(STAGING_DIR)/usr/include -DHOSTS_ACCESS -DFACILITY=LOG_DAEMON -DIGNORE_SIGCHLD" \
+		WRAP_LIB="-L$(STAGING_DIR)/usr/lib -lwrap" \
+		all
 	touch $@
 
 $(IPKG_PORTMAP):