diff --git a/package/network/services/hostapd/files/hostapd.sh b/package/network/services/hostapd/files/hostapd.sh
index 8e0cf4f091..6b4371960b 100644
--- a/package/network/services/hostapd/files/hostapd.sh
+++ b/package/network/services/hostapd/files/hostapd.sh
@@ -434,7 +434,7 @@ 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
 }