diff --git a/tests/hwsim/test_ap_dynamic.py b/tests/hwsim/test_ap_dynamic.py
index b1987dffa..7c31c97df 100644
--- a/tests/hwsim/test_ap_dynamic.py
+++ b/tests/hwsim/test_ap_dynamic.py
@@ -19,7 +19,8 @@ def test_ap_change_ssid(dev, apdev):
     params = hostapd.wpa2_params(ssid="test-wpa2-psk-start",
                                  passphrase="12345678")
     hostapd.add_ap(apdev[0]['ifname'], params)
-    id = dev[0].connect("test-wpa2-psk-start", psk="12345678")
+    id = dev[0].connect("test-wpa2-psk-start", psk="12345678",
+                        scan_freq="2412")
     dev[0].request("DISCONNECT")
 
     logger.info("Change SSID dynamically")
diff --git a/tests/hwsim/test_ap_eap.py b/tests/hwsim/test_ap_eap.py
index 3ada01214..d3c32d059 100644
--- a/tests/hwsim/test_ap_eap.py
+++ b/tests/hwsim/test_ap_eap.py
@@ -22,7 +22,7 @@ def eap_connect(dev, method, identity, anonymous_identity=None, password=None,
                 identity=identity, anonymous_identity=anonymous_identity,
                 password=password, phase1=phase1, phase2=phase2,
                 ca_cert=ca_cert, domain_suffix_match=domain_suffix_match,
-                wait_connect=False)
+                wait_connect=False, scan_freq="2412")
     ev = dev.wait_event(["CTRL-EVENT-EAP-STARTED"], timeout=10)
     if ev is None:
         raise Exception("Association and EAP start timed out")
@@ -163,7 +163,7 @@ def test_ap_wpa2_eap_tls_neg_incorrect_trust_root(dev, apdev):
                    identity="DOMAIN\mschapv2 user", anonymous_identity="ttls",
                    password="password", phase2="auth=MSCHAPV2",
                    ca_cert="auth_serv/ca-incorrect.pem",
-                   wait_connect=False)
+                   wait_connect=False, scan_freq="2412")
 
     ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED"], timeout=10)
     if ev is None:
@@ -214,7 +214,7 @@ def test_ap_wpa2_eap_tls_neg_suffix_match(dev, apdev):
                    password="password", phase2="auth=MSCHAPV2",
                    ca_cert="auth_serv/ca.pem",
                    domain_suffix_match="incorrect.example.com",
-                   wait_connect=False)
+                   wait_connect=False, scan_freq="2412")
 
     ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED"], timeout=10)
     if ev is None:
diff --git a/tests/hwsim/test_ap_pmf.py b/tests/hwsim/test_ap_pmf.py
index 4645d445d..daf39e8fe 100644
--- a/tests/hwsim/test_ap_pmf.py
+++ b/tests/hwsim/test_ap_pmf.py
@@ -26,10 +26,12 @@ def test_ap_pmf_required(dev, apdev):
     params["ieee80211w"] = "2";
     hostapd.add_ap(apdev[0]['ifname'], params)
     dev[0].connect(ssid, psk="12345678", ieee80211w="1",
-                   key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2")
+                   key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2",
+                   scan_freq="2412")
     hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname'])
     dev[1].connect(ssid, psk="12345678", ieee80211w="2",
-                   key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2")
+                   key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2",
+                   scan_freq="2412")
     hwsim_utils.test_connectivity(dev[1].ifname, apdev[0]['ifname'])
     hapd = hostapd.Hostapd(apdev[0]['ifname'])
     hapd.request("SA_QUERY " + dev[0].p2p_interface_addr())
@@ -56,10 +58,12 @@ def test_ap_pmf_optional(dev, apdev):
     params["ieee80211w"] = "1";
     hostapd.add_ap(apdev[0]['ifname'], params)
     dev[0].connect(ssid, psk="12345678", ieee80211w="1",
-                   key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2")
+                   key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2",
+                   scan_freq="2412")
     hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname'])
     dev[1].connect(ssid, psk="12345678", ieee80211w="2",
-                   key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2")
+                   key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2",
+                   scan_freq="2412")
     hwsim_utils.test_connectivity(dev[1].ifname, apdev[0]['ifname'])
     wt.require_ap_pmf_optional(apdev[0]['bssid'])
     wt.require_sta_pmf(apdev[0]['bssid'], dev[0].p2p_interface_addr())
@@ -76,10 +80,12 @@ def test_ap_pmf_optional_2akm(dev, apdev):
     params["ieee80211w"] = "1";
     hostapd.add_ap(apdev[0]['ifname'], params)
     dev[0].connect(ssid, psk="12345678", ieee80211w="1",
-                   key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2")
+                   key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2",
+                   scan_freq="2412")
     hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname'])
     dev[1].connect(ssid, psk="12345678", ieee80211w="2",
-                   key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2")
+                   key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2",
+                   scan_freq="2412")
     hwsim_utils.test_connectivity(dev[1].ifname, apdev[0]['ifname'])
     wt.require_ap_pmf_optional(apdev[0]['bssid'])
     wt.require_sta_pmf(apdev[0]['bssid'], dev[0].p2p_interface_addr())
@@ -98,11 +104,13 @@ def test_ap_pmf_negative(dev, apdev):
     params = hostapd.wpa2_params(ssid=ssid, passphrase="12345678")
     hostapd.add_ap(apdev[0]['ifname'], params)
     dev[0].connect(ssid, psk="12345678", ieee80211w="1",
-                   key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2")
+                   key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2",
+                   scan_freq="2412")
     hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname'])
     try:
         dev[1].connect(ssid, psk="12345678", ieee80211w="2",
-                       key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2")
+                       key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2",
+                       scan_freq="2412")
         hwsim_utils.test_connectivity(dev[1].ifname, apdev[0]['ifname'])
         raise Exception("PMF required STA connected to no PMF AP")
     except Exception, e:
diff --git a/tests/hwsim/test_ap_tdls.py b/tests/hwsim/test_ap_tdls.py
index 5c2b2efad..2163e02b1 100644
--- a/tests/hwsim/test_ap_tdls.py
+++ b/tests/hwsim/test_ap_tdls.py
@@ -26,8 +26,8 @@ def connectivity(dev, ap_ifname):
     hwsim_utils.test_connectivity(dev[1].ifname, ap_ifname)
 
 def connect_2sta(dev, ssid, ap_ifname):
-    dev[0].connect(ssid, psk="12345678")
-    dev[1].connect(ssid, psk="12345678")
+    dev[0].connect(ssid, psk="12345678", scan_freq="2412")
+    dev[1].connect(ssid, psk="12345678", scan_freq="2412")
     connectivity(dev, ap_ifname)
 
 def connect_2sta_wpa2_psk(dev, ap_ifname):
@@ -37,18 +37,22 @@ def connect_2sta_wpa_psk(dev, ap_ifname):
     connect_2sta(dev, "test-wpa-psk", ap_ifname)
 
 def connect_2sta_wpa_psk_mixed(dev, ap_ifname):
-    dev[0].connect("test-wpa-mixed-psk", psk="12345678", proto="WPA")
-    dev[1].connect("test-wpa-mixed-psk", psk="12345678", proto="WPA2")
+    dev[0].connect("test-wpa-mixed-psk", psk="12345678", proto="WPA",
+                   scan_freq="2412")
+    dev[1].connect("test-wpa-mixed-psk", psk="12345678", proto="WPA2",
+                   scan_freq="2412")
     connectivity(dev, ap_ifname)
 
 def connect_2sta_wep(dev, ap_ifname):
-    dev[0].connect("test-wep", key_mgmt="NONE", wep_key0='"hello"')
-    dev[1].connect("test-wep", key_mgmt="NONE", wep_key0='"hello"')
+    dev[0].connect("test-wep", key_mgmt="NONE", wep_key0='"hello"',
+                   scan_freq="2412")
+    dev[1].connect("test-wep", key_mgmt="NONE", wep_key0='"hello"',
+                   scan_freq="2412")
     connectivity(dev, ap_ifname)
 
 def connect_2sta_open(dev, ap_ifname):
-    dev[0].connect("test-open", key_mgmt="NONE")
-    dev[1].connect("test-open", key_mgmt="NONE")
+    dev[0].connect("test-open", key_mgmt="NONE", scan_freq="2412")
+    dev[1].connect("test-open", key_mgmt="NONE", scan_freq="2412")
     connectivity(dev, ap_ifname)
 
 def wlantest_setup():