diff --git a/html/vlan.js b/html/vlan.js
index d783534..8a2c3b1 100644
--- a/html/vlan.js
+++ b/html/vlan.js
@@ -39,11 +39,6 @@ function vlanForm() {
 
 function setC(t, p, c){
   document.getElementById(t+'port'+p).checked=c;
-  // When a tagged port is checked, automatically select the PVID port as well
-  const tportElem = document.getElementById('tport'+p);
-  if (tportElem && tportElem.checked) {
-    document.getElementById('pport'+p).checked=true;
-  }
 }
 
 function utClicked(t){
@@ -70,10 +65,16 @@ function fetchVLAN() {
       console.log("VLAN: ", JSON.stringify(s));
       m = parseInt(s.members, 16);
       document.getElementById('vname').value = s.name;
+      var members = m & 0x3FF;
+      var untag = (m >> 10) & 0x3FF;
+      var pvid = parseInt(s.pvid, 16);
       for (let i = 1; i <= numPorts; i++) {
-        setC('t', i, (m>>(10+i-1))&1);
-        setC('u', i, (m>>(i-1))&1);
-        setC('p', i, (m>>(20+i-1))&1);
+        var bit = i - 1;
+        var isMember = (members >> bit) & 1;
+        var isUntag = (untag >> bit) & 1;
+        setC('t', i, isMember && !isUntag);
+        setC('u', i, isMember && isUntag);
+        setC('p', i, (pvid >> bit) & 1);
       }
     }
   };
diff --git a/httpd/page_impl.c b/httpd/page_impl.c
index 9769311..0618758 100644
--- a/httpd/page_impl.c
+++ b/httpd/page_impl.c
@@ -270,6 +270,14 @@ void send_vlan(uint16_t vlan)
 		while(vlan_names[n] && vlan_names[n] != ' ')
 			char_to_html(vlan_names[n++]);
 	}
+	slen += strtox(outbuf + slen, "\",\"pvid\":\"0x");
+	uint16_t pvid_mask = 0;
+	for (uint8_t i = machine.min_port; i <= machine.max_port; i++) {
+		if (port_pvid_get(i) == vlan)
+			pvid_mask |= (1 << i);
+}
+	byte_to_html(pvid_mask >> 8);
+	byte_to_html(pvid_mask);
 	slen += strtox(outbuf + slen, "\"}");
 }
 
diff --git a/rtl837x_port.c b/rtl837x_port.c
index 4e12a6d..1a28c69 100644
--- a/rtl837x_port.c
+++ b/rtl837x_port.c
@@ -78,6 +78,17 @@ void port_pvid_set(uint8_t port, __xdata uint16_t pvid) __banked
 	}
 }
 
+uint16_t port_pvid_get(uint8_t port) __banked
+{
+	uint16_t reg = RTL837x_PVID_BASE_REG + ((port >> 1) << 2);
+	reg_read_m(reg);
+	if (port & 0x1) {
+		return (sfr_data[1] << 4) | (sfr_data[2] >> 4);
+	} else {
+		return ((sfr_data[2] & 0x0f) << 8) | sfr_data[3];
+	}
+}
+
 
 void vlan_delete(uint16_t vlan) __banked
 {
diff --git a/rtl837x_port.h b/rtl837x_port.h
index 480f2e8..60e2282 100644
--- a/rtl837x_port.h
+++ b/rtl837x_port.h
@@ -28,6 +28,7 @@ int8_t vlan_get(register uint16_t vlan) __banked;
 __xdata uint16_t vlan_name(register uint16_t vlan) __banked;
 void vlan_setup(void) __banked;
 void port_pvid_set(uint8_t port, __xdata uint16_t pvid) __banked;
+uint16_t port_pvid_get(uint8_t port) __banked;
 void vlan_create(void) __banked;
 void vlan_delete(uint16_t vlan) __banked;
 void port_mirror_set(register uint8_t port, __xdata uint16_t rx_pmask, __xdata uint16_t tx_pmask) __banked;