diff --git a/net/ptunnel-ng/Makefile b/net/ptunnel-ng/Makefile
index 3b409c163..3e1e2a479 100644
--- a/net/ptunnel-ng/Makefile
+++ b/net/ptunnel-ng/Makefile
@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ptunnel-ng
 PKG_VERSION:=1.40
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/lnslbrty/ptunnel-ng/tar.gz/v$(PKG_VERSION)?
@@ -32,6 +32,10 @@ CONFIGURE_ARGS += \
 	--disable-pcap \
 	--disable-selinux
 
+CONFIGURE_VARS += \
+	ac_cv_header_bsd_stdlib_h=no \
+	ac_cv_search_arc4random=no
+
 define Package/ptunnel-ng/install
 	$(INSTALL_DIR) $(1)/usr/sbin
 	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/$(PKG_NAME) $(1)/usr/sbin/$(PKG_NAME)