diff --git a/package/network/ipv6/ds-lite/Makefile b/package/network/ipv6/ds-lite/Makefile
index 4393d35877..198b6ebcc7 100644
--- a/package/network/ipv6/ds-lite/Makefile
+++ b/package/network/ipv6/ds-lite/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ds-lite
 PKG_VERSION:=7
-PKG_RELEASE:=3
+PKG_RELEASE:=4
 PKG_LICENSE:=GPL-2.0
 
 include $(INCLUDE_DIR)/package.mk
diff --git a/package/network/ipv6/ds-lite/files/dslite.sh b/package/network/ipv6/ds-lite/files/dslite.sh
index 7bd3f2e70d..017963926d 100644
--- a/package/network/ipv6/ds-lite/files/dslite.sh
+++ b/package/network/ipv6/ds-lite/files/dslite.sh
@@ -69,7 +69,7 @@ proto_dslite_setup() {
 	json_add_string remote "$peeraddr"
 	[ -n "$tunlink" ] && json_add_string link "$tunlink"
 	json_add_object "data"
-	  json_add_string encaplimit "${encaplimit:-4}"
+	  [ -n "$encaplimit" ] && json_add_string encaplimit "$encaplimit"
 	json_close_object
 	proto_close_tunnel