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-rw-r--r--package/firewall/files/lib/core_interface.sh5
1 files changed, 4 insertions, 1 deletions
diff --git a/package/firewall/files/lib/core_interface.sh b/package/firewall/files/lib/core_interface.sh
index aff6641807..ed6a4b150f 100644
--- a/package/firewall/files/lib/core_interface.sh
+++ b/package/firewall/files/lib/core_interface.sh
@@ -4,7 +4,10 @@ fw__uci_state_add() {
local var="$1"
local item="$2"
- local val="$(uci_get_state firewall core $var)"
+ local val=" $(uci_get_state firewall core $var) "
+ val="${val// $item / }"
+ val="${val# }"
+ val="${val% }"
uci_set_state firewall core $var "${val:+$val }$item"
}