diff --git a/tests/hwsim/test_wpas_mesh.py b/tests/hwsim/test_wpas_mesh.py
index 71fa3a170..3b56df36a 100644
--- a/tests/hwsim/test_wpas_mesh.py
+++ b/tests/hwsim/test_wpas_mesh.py
@@ -103,12 +103,14 @@ def test_wpas_add_set_remove_support(dev):
     dev[0].remove_network(id)
 
 def add_open_mesh_network(dev, freq="2412", start=True, beacon_int=0,
-                          basic_rates=None):
+                          basic_rates=None, chwidth=0):
     id = dev.add_network()
     dev.set_network(id, "mode", "5")
     dev.set_network_quoted(id, "ssid", "wpas-mesh-open")
     dev.set_network(id, "key_mgmt", "NONE")
     dev.set_network(id, "frequency", freq)
+    if chwidth > 0:
+        dev.set_network(id, "max_oper_chwidth", str(chwidth))
     if beacon_int:
         dev.set_network(id, "beacon_int", str(beacon_int))
     if basic_rates:
@@ -511,6 +513,54 @@ def _test_wpas_mesh_open_5ghz(dev, apdev):
     # Test connectivity 0->1 and 1->0
     hwsim_utils.test_connectivity(dev[0], dev[1])
 
+def test_wpas_mesh_open_vht_80p80(dev, apdev):
+    """wpa_supplicant open MESH network on VHT 80+80 MHz channel"""
+    try:
+        _test_wpas_mesh_open_vht_80p80(dev, apdev)
+    finally:
+        subprocess.call(['iw', 'reg', 'set', '00'])
+        dev[0].flush_scan_cache()
+        dev[1].flush_scan_cache()
+
+def _test_wpas_mesh_open_vht_80p80(dev, apdev):
+    check_mesh_support(dev[0])
+    subprocess.call(['iw', 'reg', 'set', 'US'])
+    for i in range(2):
+        for j in range(5):
+            ev = dev[i].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=5)
+            if ev is None:
+                raise Exception("No regdom change event")
+            if "alpha2=US" in ev:
+                break
+        add_open_mesh_network(dev[i], freq="5180", chwidth=3)
+
+    # Check for mesh joined
+    check_mesh_group_added(dev[0])
+    check_mesh_group_added(dev[1])
+
+    # Check for peer connected
+    check_mesh_peer_connected(dev[0])
+    check_mesh_peer_connected(dev[1])
+
+    # Test connectivity 0->1 and 1->0
+    hwsim_utils.test_connectivity(dev[0], dev[1])
+
+    sig = dev[0].request("SIGNAL_POLL").splitlines()
+    if "WIDTH=80+80 MHz" not in sig:
+        raise Exception("Unexpected SIGNAL_POLL value(2): " + str(sig))
+    if "CENTER_FRQ1=5210" not in sig:
+        raise Exception("Unexpected SIGNAL_POLL value(3): " + str(sig))
+    if "CENTER_FRQ2=5775" not in sig:
+        raise Exception("Unexpected SIGNAL_POLL value(4): " + str(sig))
+
+    sig = dev[1].request("SIGNAL_POLL").splitlines()
+    if "WIDTH=80+80 MHz" not in sig:
+        raise Exception("Unexpected SIGNAL_POLL value(2b): " + str(sig))
+    if "CENTER_FRQ1=5210" not in sig:
+        raise Exception("Unexpected SIGNAL_POLL value(3b): " + str(sig))
+    if "CENTER_FRQ2=5775" not in sig:
+        raise Exception("Unexpected SIGNAL_POLL value(4b): " + str(sig))
+
 def test_wpas_mesh_password_mismatch(dev, apdev):
     """Mesh network and one device with mismatching password"""
     check_mesh_support(dev[0], secure=True)