diff --git a/package/iptables/iptables.mk b/package/iptables/iptables.mk
index 66de804041..4b96414db5 100644
--- a/package/iptables/iptables.mk
+++ b/package/iptables/iptables.mk
@@ -20,7 +20,7 @@ $(IPTABLES_BUILD_DIR)/.configured: $(IPTABLES_BUILD_DIR)/.unpacked
 	toolchain/patch-kernel.sh $(IPTABLES_BUILD_DIR) package/iptables/ iptables\*.patch
 	#
 	$(SED) "s;\[ -f /usr/include/netinet/ip6.h \];grep -q '__UCLIBC_HAS_IPV6__ 1' \
-		$(BUILD_DIR)/uClibc/include/bits/uClibc_config.h;" $(IPTABLES_BUILD_DIR)/Makefile
+		$(STAGING_DIR)/include/bits/uClibc_config.h;" $(IPTABLES_BUILD_DIR)/Makefile
 	touch  $(IPTABLES_BUILD_DIR)/.configured
 
 $(IPTABLES_BUILD_DIR)/iptables: $(IPTABLES_BUILD_DIR)/.configured