diff --git a/packages/network/iptables/package.mk b/packages/network/iptables/package.mk
index e86bf9370d..536f5d52d2 100644
--- a/packages/network/iptables/package.mk
+++ b/packages/network/iptables/package.mk
@@ -33,3 +33,5 @@ PKG_IS_ADDON="no"
 PKG_AUTORECONF="yes"
 
 PKG_CONFIGURE_OPTS_TARGET="--with-kernel=$(kernel_path)"
+
+MAKEFLAGS="-j1"