diff --git a/package/network/config/wifi-scripts/files/lib/netifd/hostapd.sh b/package/network/config/wifi-scripts/files/lib/netifd/hostapd.sh
index 40266db0655..232f9021b9c 100644
--- a/package/network/config/wifi-scripts/files/lib/netifd/hostapd.sh
+++ b/package/network/config/wifi-scripts/files/lib/netifd/hostapd.sh
@@ -437,7 +437,7 @@ append_iw_anqp_3gpp_cell_net() {
 	if [ -z "$iw_anqp_3gpp_cell_net_conf" ]; then
 		iw_anqp_3gpp_cell_net_conf="$1"
 	else
-		iw_anqp_3gpp_cell_net_conf="$iw_anqp_3gpp_cell_net_conf:$1"
+		iw_anqp_3gpp_cell_net_conf="$iw_anqp_3gpp_cell_net_conf;$1"
 	fi
 }